Request 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)).
   
   4,245,862, Reexam. No. 90/004,982, May 5, 1998, Cl. 296/180.3, DRAG
REDUCER FOR LAND VEHICLES, Frank T. Buckley, Jr., Owner of Record:
Airshield Corp., Bridegeport, Conn., Attorney or Agent: Robert D. Fier,
Kenyon and Kenyon, New York, N.Y., Ex. Gp.: 3612, Requester: Joseph T.
Jakubek, Klarquist Sparkman Campbell Leigh and Whinston, Portland, Oreg.
   
   4,518,422, Reexam. No. 90/004,983, May 7, 1998, Cl. 075/533, PROCESS
AND APPARATUS FOR REFINING STEEL IN A METALLURGICAL VESSEL, Paul Metz,
Owner of Record: Paul Wurth S. A., Luxembourg, Luxembourg, Attorney or
Agent: David D. Fishman, Fishman Dionne Cantor and Colburn, Windsor,
Conn., Ex. Gp.: 1742, Requester: Owner
   
   5,205,315, Reexam. No. 90/004,984, May 7, 1998, Cl. 137/204,
AUTOMATIC WET TANK DRAIN VALVE, Wayne R. Margerum, Owner of Record:
Augustine J. Matteo, Jr., Westville, N.J., Attorney or Agent: Glenn M.
Massina and Anthony S. Volpe, Volpe and Koenig, Philadelphia, Pa., Ex.
Gp.: 3753, Requester: Elroy Strickland, James Ray and Associates,
Pittsburgh, Pa.
   
   5,448,922, Reexam. No. 90/004,981, Apr. 30, 1998, Cl. 073/863.23, GAS
PERMEATION SYSTEM, Charles L. Kimbell, et. al., Owner of Record: Keco R.
& D., Inc., Houston, Tex., Attorney or Agent: Donald H. Fidler, Fidler
and Marnock, Houston, Tex., Ex. Gp.: 2856, Requester: Frank Sowa, II,
Arlington, Va.