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)).

   4,861,041, Reexam. No. 90/003,865, June 20, 1995, Cl. 273/292,
METHODS OF PROGRESSIVE JACKPOT GAMING, Daniel A. Jones, et. al., Owner
of Record: D & D Gaming Patents, Ft. Lauderdale, Fla., Attorney or
Agent: Robert E. Purcell, Englewood, Colo., Ex. Gp.: 3304, Requester:
Janal M. Kalis, Oppenheimer Wolff & Donnelly, Minneapolis, Minn.

   4,960,546, Reexam. No. 90/003,863, June 16, 1995, Cl. 261/122.1,
DIFFUSER MOUNTING ARRANGEMENT FOR WASTE WATER AERATION SYSTEMS, Charles
E. Tharp, et. al., Owner of Record: Environmental Dynamics, Inc., Boone,
Mo., Attorney or Agent: Richard R. Johnson, Kokjer Kircher Bowman &
Johnson, Kansas, City, Mo., Ex. Gp.: 1305, Requester: Daniel V.
Thompson, Thompson & Howison, Dallas, Tex.

   5,077,480, Reexam. No. 90/003,864, June 16, 1995, Cl. 250/575,
TRANSMISSOMETER HAVING SOLID STATE LIGHT SOURCE, John E. Traina, Owner
of Record: United Sciences, Gibsonia, Pa., Attorney or Agent: Lynn J.
Alstadt, Buchanan Ingersoll, Pittsburgh, Pa., Ex. Gp.: 2509, Requester:
Owner