Requests for Reexaminations Filed

   Notice under 37 CFR 1.11(c). The requests for reexamination listed
below are open to inspection by the general public in the indicated
Examining Groups. Copies of the requests and related papers may be
obtained by paying the fee therefor established in the Rules (37 CFR
   In the event correspondence to the patent owner is not received, this
notice will be considered to be constructive notice to the patent owner
and reexamination will proceed (37 CFR 1.248(a)(5) and 1.525(b)).

   4,396,806, Reexam. No. 90/003,852, June 6, 1995, Cl. 381/103, HEARING
AID AMPLIFYER, Jared A. Anderson, Owner of Record: A & L Ventures,
Orinda, Calif., Attorney or Agent: Townsend & Townsend, Khourie & Crew,
San Francisco, Calif., Ex. Gp.: 2608, Requester: Re Sound Corp., Redwood
City, Calif.

   4,453,294, Reexam. No. 90/003,855, June 12, 1995, Cl. 24/303,
Record: AMSCO Inc., Brooklyn, N.Y., Attorney or Agent: Jacobsen Price
Holman & Stern, Washington, D.C., Ex. Gp.: 3507, Requester: Longacre &
White, c/o John M. White, Arlington, Va.

   4,739,768, Reexam. No. 90/003,856, Apr. 7, 1995, Cl. 128/658,
CATHETER FOR GUIDE-WIRE TRACKING, Erik T. Engelson, Owner of Record:
Target Therapeutics, Fremont, Calif, Attorney or Agent: E. Thomas
Wheelock, Morrison & Foerster, Palo Alto, Calif., Ex. Gp.: 3305,
Requester: Natalie D. Kadievitch, Willian Brinks Hofer Gilson & Lione,
Chicago, Ill.

   4,861,962, Reexam. No. 90/003,854, June 8, 1995, Cl. 219/121.5,
NOZZLE SHIELD FOR A PLASMA ARC TORCH, Nicholas A. Sanders, et. al.,
Owner of Record:  Hypertherm Inc., Hanover, N.H., Attorney or Agent:
Joseph A. Capraro, Jr., Testa, Hurwitz and Thibeault, Boston, Mass., Ex.
Gp.: 2106, Requester: Centricut, LLC, in c/o Peter Paul Mitrano, Etna,

   4,932,459, Reexam. No. 90/003,857, May 30, 1995, Cl. 164/24,
FORMATION OF FOUNDRY CORE BLOCKS, Augustin A. Erana, Owner of Record:
Inventor,  Attorney or Agent: Samson Helfgott, Helfgott & Karas, New
York, N.Y., Ex. Gp.: 3205, Requester: Equipment Merchants International
in c/o Scott E. Hanf, Charlotte, N.C.

   5,236,227, Reexam. No. 90/003,853, June 7, 1995, Cl. 285/027,
WALLS, Robert Adams, et. al., Owner of Record: Opti-Com Manufacturing
Network, Inc., Harahan, La., Attorney or Agent: Gregory C. Smith,
Pravel, Hewitt, Kimball & Kriegen, Houston, Tex., Ex. Gp.: 3501,
Requester: Virgil H. Marsh, Fisher Christen & Sabol, Washington, D.C.

   5,300,145, Reexam. No. 90/003,858, June 2, 1995, Cl. 106/213, LOW
AMYLOPECTIN STARCH, Virgil Fergason, et. al., Owner of Record: National
Starch & Chemical Investment Holding Corp., Wilmington, Del., Attorney
or Agent: Mary Porter National Starch & Chemical Corp., Bridgewater,
N.H., Ex. Gp.: 1108, Requester: Leone & Moffa in c/o George A. Leone,
Sr., Minneapolis, Minn.