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)).

   3,733,830, Reexam. S.N. 90/005,611, Jan. 14, 2000, Cl. 405/396, CANAL
BANK RETAINING WALL MEANS AND METHOD, Marcellus L. Jacobs, Deceased,
Owner of Record: Edna L. Jacobs, Fort Myers, FL, Attorney or Agent: Paul
R. Jacobs, Jacobs Wind Electric Co., Inc., Corcoran, MN, Ex. Gp.: 3673,
Requester: Stefan V. Stein, Stein Schifino and Van Der Wall, Tampa, FL

   4,447,784, Reexam. S.N. 90/005,610, Jan. 13, 2000, Cl. 323/226,
TEMPERATURE COMPENSATED BANDGAP VOLTAGE REFERENCE CIRCUIT, Robert C.
Dobkin, Owner of Record: National Semiconductor Corp., Santa Clara, CA,
Attorney or Agent: Gail W. Woodward, National Semiconductor Corp., Santa
Clara, CA, Ex. Gp.: 2838, Requester: Micrel, Inc., c/o Pennie and
Edmonds, Palo Alto, CA

   5,640,457, Reexam. S.N. 90/005,608, Jan. 7, 2000, Cl. 381/322,
ELECTROMAGNETICALLY SHIELDED HEARING AID, Louis Thomas Gnecco, et. al.,
Owner of Record: Louis Thomas Gnecco and Paula Sharyn Gnecco, Herndon,
VA, Attorney or Agent: None, Ex. Gp.: 2743, Requester: K/S HIMPP, NY,
Vaerloese, Denmark; c/o David J. Cushing, Sughrue Mion Zinn Mac Peak and
Seas, Washington, DC

   5,647,013, Reexam. S.N. 90/005,609, Jan. 11, 2000, Cl. 381/396,
ELECTROACOSTIC TRANSDUCER, Richard James Salvage, et. al., Owner of
Record: Knowles Electronics Co., West Sussex, United Kingdom, Attorney
or Agent: Marc D. Machtinger, Wallenstein and Wagner, Chicago, IL, Ex.
Gp.: 2743, Requester: Owner