PATENT EXAMINING CORPS

                        BRUCE A. LEHMAN, Commissioner
          LAWRENCE J. GOFFNEY, Jr., Assistant Commissioner for Patents
         EDWARD R. KAZENSKE, Deputy Assistant Commissioner for Patents
       STEPHEN G. KUNIN, Deputy Assistant Commissioner for Patent Policy
  J.O. THOMAS, JR., Deputy Assistant Commissioner for Patent Process Services



                                                     Phone Number      New Case
PATENT  EXAMINING GROUPS                             Area Code 703       Date*

CHEMICAL EXAMINING GROUPS

GENERAL METALLURGICAL, INORGANIC, PETROLEUM AND
   ELECTRICAL CHEMISTRY, AND ENGINEERING, GROUP
   1100-JOHN E. KITTLE, Director                        308-0661       01/27/94
ORGANIC CHEMISTRY, GROUP 1200-JOHN F. TERAPANE,
   JR., Director                                        308-1235       03/11/94
SPECIALIZED CHEMICAL INDUSTRIES AND CHEMICAL
   ENGINEERING, GROUP 1300-RICHARD V. FISHER,
   Director                                             308-0651       05/17/94
HIGH POLYMER CHEMISTRY, PLASTICS, COATING, PHOTOGRAPHY
   STOCK MATERIALS AND COMPOSITIONS, GROUP 1500-THEODORE
   MORRIS, Director                                     308-2351       03/31/94
BIOTECHNOLOGY, GROUP 1800-BARRY S. RICHMAN,
   Director                                             308-0196       10/05/93

ELECTRICAL EXAMINING GROUPS

INDUSTRIAL ELECTRONICS, PHYSICS AND RELATED ELEMENTS,
   GROUP 2100-STEWART LEVY, Director                    308-1782       05/10/94
SPECIAL LAWS AND ADMINISTRATION, GROUP 2200-ROBERT E.
   GARRETT, Director                                    308-0511       07/21/93
COMPUTER SYSTEMS AND COMPUTER APPLICATION, GROUP 2300-
   BOBBY R. GRAY, Director                              305-9600       02/03/94
PACKAGES, CLEANING, TEXTILES AND GEOMETRICAL
   INSTRUMENTS GROUP 2400-Vacant                        308-0771       01/05/94
ELECTRONIC AND OPTICAL SYSTEMS AND DEVICES,
   GROUP  2500-JANICE A. HOWELL, Director               308-0956       10/26/93
COMMUNICATIONS, MEASURING, TESTING AND LAMP/DISCHARGE
   GROUP, GROUP 2600-NICHOLAS P. GODICI, Director       305-4700       08/10/93
DESIGN, GROUP 2900-JOHN E. KITTLE, Director             308-0661       05/04/93

MECHANICAL EXAMINING GROUPS

HANDLING AND TRANSPORTATION MEDIA, GROUP 3100-F.R.
   SCHMIDT,  Director                                   308-1113       01/10/94
MATERIAL SHAPING, ARTICLE MANUFACTURING AND TOOLS,
   GROUP 3200-CARLTON R. CROYLE, Director               308-1148       12/21/93
MECHANICAL TECHNOLOGIES AND HUSBANDRY PERSONAL
   TREATMENT INFORMATION, GROUP 3300-J.J. LOVE,
   Director                                             308-0858       03/03/94
SOLAR, HEAT, POWER, AND FLUID ENGINEERING DEVICES,
   GROUP 3400-DONALD G. KELLY, Director                 308-0861       12/16/93
GENERAL CONSTRUCTION, PETROLEUM AND MINING ENGINEERING,
   GROUP 3500-A.L. SMITH, Director                      308-1021       01/03/93


     *A communication from the examiner should have been received in most
applications filed prior to this date.

   Expiration of Patents: The patents within the range of numbers indicated
below expire during February 1995 except those which may have had their terms
curtailed by disclaimer under the provisions of 35 U.S.C. 253. Other patents,
issued after the dates of the range of numbers indicated below, may have
expired before the full term of 17 years for the same reasons, or have lapsed
under the provisions of 35 U.S.C. 151.
Patents                               Numbers  4,071,912 to 4,077,063 inclusive
Plant Patents                                                    4,206 to 4,217