PATENT TECHNOLOGY CENTERS

                                                Telephone & FAX
                                                    Numbers        New Case
TECHNOLOGY CENTERS              DIRECTORS         Area Code 703       Date*

1600/   BIOTECHNOLOGY AND ORGANIC CHEMISTRY

1610    Organic chemistry,      John J. Doll         308-1123      10/26/98
        Bio-Affecting & Body                       FAX 305-7230
        Treating Composition
1630    Recombinant Molecular                                      06/23/98
        & Micro-Biology,
        Multicellular Organisms
1620    Carbohydrates,          Jasemine C. Chamber  308-2035      12/15/98
        Nonheterocyclic                            FAX 305-7230
        Chemistry & Uses
1640    Immunology & Plants                                        06/30/98
1650    Non-Recombinant                                            12/07/98
        Molecular & Micro-
        Biology, Non-Immuno
        Proteins & Peptides

1700    CHEMICAL AND MATERIALS ENGINEERING

1710    Synthetic Resins        Jacqueline Stone     308-1495      11/10/98
                                                   FAX 305-3599
1760    Food Technology,                                           09/09/98
        Petroleum Processing,
        Coating & Etching
1770    Stock Materials &                                          08/19/98
        Miscellaneous Articles

1720    Fluid Separation &      Richard V. Fisher    308-1193      12/29/98
        Agitation, Metal                           FAX 305-3599
        Foundry, Welding,
        Plastic Modeling
        Apparatus, Fuels &
        Related Compositions
1730    Class & Paper Making,                                      10/16/98
        Tobacco, Non-Metallic
        Molding, Adhesive
        Bonding, Tires &
        Coating Apparatus
1740    Metallurgy,                                                09/08/98
        Electrochemistry,
        Cleaning, Disinfecting,
        Sterilizing, Analytical
        Chemistry & Wave Energy
1750    Chemical Products &                                        12/23/98
        Processes, Solar Cells
        & Sputtering Apparatuses

2700    COMMUNICATIONS AND INFORMATION PROCESSING

2710    Television              Joseph J. Rolla      305-9700      12/04/97
                                                   FAX 308-5355
2720    Image, Fax                                                 10/22/97
2780    Processors, Control                                        02/24/98
        Systems, Input/Output
2730    General Communications  Jin F. Ng            305-4800      10/21/97
        & Digital Communications                   FAX 308-5401
        Systems
2740    Audio, Radio,           James L. Dwyer       305-4800      10/22/97
        Telephone, Speech                          FAX 308-5401
        Processing
2750    Storage Processing,     Allen MacDonald      305-9700      01/02/98
        Multiple Computers   Margaret A. Focarino  FAX 308-5355
        & Multiple Process      John Love
        Coordinating
2760    Electronic Commerce     John Love            306-5484      07/15/98
        & Specialized                              FAX 305-3719
        Data Processing
2770    Computer Graphics    Margaret A. Focarino    306-5484      01/29/98
        & Data Bases                               FAX 305-3719

2800    SEMICONDUCTOR, ELECTRICAL, OPTICAL SYSTEM & COMPONENTS

2810    Semiconductors,         Rolf G. Hille        306-3431      10/29/98
        Electrical Circuits,                       FAX 308-7725
        Static Memory &
        Digital Logic
2830    Power Generation and    Stewart J. Levy      308-0658      04/28/98
        Distribution, Music,                       FAX 305-1341
        Electrical Components
        and Control Circuit
2850    Photocopying,           Howard Goldberg      306-3431      02/19/98
        Recorders, Printing,                       FAX 308-7725
        Measuring & Testing
2870    Liquid Crystals,        Janice A. Falcone    308-0530      06/22/98
        Optical Elements,                          FAX 308-7725
        Optical Systems,
        Fiber Optics,
        Lasers, Electric
        Lamps, Registers,
        Optics Measuring,
        Radiant Energy

3600    TRANSPORTATION, CONSTRUCTION, AGRICULTURE AND NATIONAL SECURITY

3610    Surface Transportation  Gerald Goldberg      308-1134      11/05/98
                                                   FAX 305-7687
3650    Material Handling                                          08/26/98
3620    Closures,               Al Lawrence Smith    308-1020      10/13/98
        Connections, Hardware,
        Sign Exhibiting
        and Furniture                                                                   FAX 305-7687
3680    Machine Elements                                           04/13/99
        and Power Transmission
3630    Static Structure,                                          02/02/99
        Supports and Furniture
3640    Aeronautics,          John F. Terapane, Jr.  306-4174      03/27/98
        Agriculture, Plant                         FAX 305-7687
        and Animal Husbandry,
        Weaponry, Nuclear
        Systems and License
        & Review
3660    Computerized Vehicle                                       08/17/98
        Controls and Navigation,
        Radio Wave and Acoustic
        Wave Communication
3670    Wells, Earth Boring/                                       01/11/98
        Moving/Working, Excavating,
        Mining Harvesters, Bridges,
        Roads and Petroleum

3700/   MECHANICAL ENGINEERING, MANUFACTURING, PRODUCTS & DESIGNS
2900

3710    Amusement and         Ethel Rollins-Cross    308-1078      06/26/98
        Education Devices                          FAX 305-3579
3720    Packages & Containers,                                     05/18/98
        Manufacturing Devices
        & Processes, Machine
        Tools & Hand Tools
3730    Medical Instruments,    John E. Kittle       308-0873      04/08/98
        Treatment Devices,                         FAX 305-3590/1
        Surgery, Surgical
        Supplies
3760    Body Treatment,                                            09/24/98
        Kinestheraphy, and
        Exercising
2900    Designs                                                    04/09/98
3740    Wearing Apparel and     Richard A. Bertsch   308-0975      08/28/98
        Textile Mfg., Thermal                      FAX 308-7764
        & Combustion Technology,
        Motive & Fluid Power
        Systems
3750    Fluid Handing and                                          04/16/99
        Dispensing