Requests for Reexamination 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)). 4,921,749, Reexam. No. 90/004,821, Oct. 31, 1997, Cl. 428/216, SEALABLE FILMS, Bernard L. I. Bossaert, et. al., Owner of Record: Exxon Chemical Patents, Inc., Linden, N.J., Attorney or Agent: Anthony R. Chi, Exxon Chemical Co., Baytown, Tex., Ex. Gp.: 1317, Requester: Owner 4,922,936, Reexam. No. 90/004,820, Oct. 29, 1997, Cl. 132/321, DENTAL CLEANER, Carlo A. Buzzi, et. al., Owner of Record: Ulrich Peter Saxer, Zurich, Switzerland; Walter Koller, Waldkirch, Switzerland; and Franz Aschwanden, Gersau, Switzerland, Attorney or Agent: Bernard Rothwell & Brown, Washington, D.C., Ex. Gp.: 3303, Requester: Eric P. Schellin, Arlington, Va. 5,343,749, Reexam. No. 90/004,818, Oct. 28, 1997, Cl. 073/505, SINGLE ENDED TUNING FORK INERTIAL SENSOR AND METHOD, David F. Macy, Owner of Record: New SD Inc., San Francisco, Calif., Attorney or Agent: Flehr Hohback Test Albritton & Herbert, Harold C. Hohback, San Francisco, Calif., Ex. Gp.: 2212, Requester: Scott C. Harris Fish and Richardson, La Jolla, Calif. 5,343,749, Reexam. No. 90/004,819, Oct. 28, 1997, Cl. 073/505, SINGLE ENDED TUNING FORK INERTIAL SENSOR AND METHOD, David F. Macy, Owner of Record: New SD Inc., San Francisco, Calif., Attorney or Agent: Flehr Hohback Test Albritton & Herbert, Harold C. Hohback, San Francisco, Calif., Ex. Gp.: 2212, Requester: Scott C. Harris Fish and Richardson, La Jolla, Calif.