Reissue Applications Filed

   Notice under 37 CFR 1.11(b). The reissue applications listed below are
open to inspection by the general public in the indicated Examining
Groups and copies may be obtained by paying the fee therefor (37 CFR
1.12(b)).

   5,103,905, Re. S.N. 08/774,714, Jan. 3, 1997, Cl. 166/250, METHOD OF
OPTIMIZING THE CONDUCTIVITY OF A PROPPED FRACTURE, Harold D. Brannon,
et. al., Owner of Record: Dowell Schlumberger, Inc., Tulsa, Okla.,
Attorney or Agent: John E. Vick Jr., Ex. Gp.: 3506

   5,144,358, Re. S.N. 08/780,129, Dec. 26, 1996, Cl. 396, AUTOMATIC
FOCUSING CAMERA, Hiroyuki Tsuru, et. al., Owner of Record: Nikon Corp.,
Tokyo, Japan, Attorney or Agent: Nelson H. Shapiro, Ex. Gp.: 2101

   5,210,563, Re. S.N. 08/801,134, Feb. 14, 1997, Cl. 396/53, CAMERA
CAPABLE OF CORRECTING BLURRING, Masataka Hamada, et. al., Owner of
Record: Minolta Camera Kabushiki Kaisha, Osaka, Japan, Attorney or
Agent: Platon N. Mandros, Ex. Gp.: 2101

   5,233,150, Re. S.N. 08/509,842, Aug. 1, 1995, Cl. 219/76.14, METHOD
OF PRODUCTION OF WORKPIECES BY WELDING EQUIPMENT, Fritz Schneebeli, et.
al., Owner of Record: Sulzer Brothers Limited, Zurcherstrasse,
Switzerland, Attorney or Agent: J. Georg Seka, Ex. Gp.: 2106

   5,418,853, Re. S.N. 08/858,972, May 20, 1997, Cl. 380/5, APPARATUS
AND METHOD FOR PREVENTING UNAUTHORIZED COPYING OF VIDEO SIGNALS, Keiji
Kanota, et. al., Owner of Record: Sony Corp., Shinagawa-ku, Japan,
Attorney or Agent: William S. Frommer, Ex. Gp.: 2202

   5,420,241, Re. S.N. 08/856,830, May 15, 1997, Cl. 528/490, PROCESS
FOR THE PURIFICATION OF POLYCARBONATE AND POLYESTER CARBONATE SOLUTIONS,
Gerhard Fennhoff, et. al., Owner of Record: Bayer Aktiengesellschaft,
Leverkusen, Germany, Attorney or Agent: Aron Preis, Ex. Gp.: 1503