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)).

   4,678,097, Reexam. No. 90/004,608, April 14, 1997, Cl. 220/288,
BREAKAWAY GAS GAP, Billy G. Crute, Owner of Record:  Stant
Manufacturing, Inc., Connersville, Ind., Attorney or Agent: Barnes &
Thornburg, Mark M. Newman, Washington, D.C., Ex. Gp.: 3207, Requester:
Owner

   5,062,874, Reexam. No. 90/004,606, March 28, 1997, Cl. 055/337,
FILTER SEALING APPARATUS, Pierre Legare, et. al., Owner of Record:  Her
Majesty The Queen As Represented By The Minister of Nation Defence Of
Her Majesty's Canadian Government, Ottawa, Canada, Attorney or Agent:
Jerry A. Miller, Sony Corp. of America, Park Ridge, N.J., Ex. Gp.: 1305,
Requester: Merchant Gould Smith Edell Welter & Schmidt, Minneapolis,
Minn.

   5,308,974, Reexam. No. 90/004,607, April 3, 1997, Cl. 250/234,
SCANNING PROBE MICROSCOPE USING STORED DATA FOR VERTICAL PROBE
POSITIONING, Virgil B. Elings, et. al., Owner of Record:  Digital
Instruments, Inc., Santa Barbara, Calif., Attorney or Agent: Patrick F.
Bright, Bright & Lorig, Los Angeles, Calif., Ex. Gp.: 2509, Requester:
Owner