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 1.19(a)). 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, ENGAGEABLE ARTICLE USING A PERMANENT MAGNET, Tamao Morita, Owner of 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, N.H. 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, ASSEMBLY FOR CONNECTING MULTI-DUCT CONDUITS HAVING TAPERED ALIGNMENT 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.