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)).

  4,574,049, Reexam. No. 90/004,422, Oct. 18, 1996, Cl. 210/639,
REVERSE OSMOSIS SYSTEM, Gregory A. Pittner, Owner of Record: US
Filter/Ionpure Inc., Lowell, Mass.,  Attorney or Agent: Peter C. Lando,
Wolf, Greenfield & Sacks, Boston, Mass., Ex. Gp.: 1306, Requester: Owner

  4,915,675, Reexam. No. 90/004,428, Oct. 28, 1996, Cl. 474/213, PITCH
EQUALIZED CHAIN WITH FREQUENCY MODULATED ENGAGEMENT, Stellios A.
Avramidis, Owner of Record:  Borg-Warner Automotive Transmission &
Engine Components Corp., Sterling Heights, Mich.,  Attorney or Agent:
Robert A. Brown, Northbrook, Ill., Ex. Gp.: 3506, Requester: Mel R.
Quintos, Armstrong, Westerman, Hattori, McLeland & Naughton, Washington,
D.C.

  4,991,049, Reexam. No. 90/004,424, Oct. 21, 1996, Cl. 361/028,
ANTI-SHORT CYCLE CIRCUIT, Andrew S. Kadah, Owner of Record: Inventor,
Attorney or Agent: Thomas J. Wall, Harris, Beach & Wilcox, Syracuse,
N.Y., Ex. Gp.: 2104, Requester: Brenda Pomerance, Morgan & Finnegan, New
York, N.Y.

  5,008,725, Reexam. No. 90/004,429, Oct. 28, 1996, Cl. 257/341, PLURAL
POLYGON SOURCE PATTERN FOR MOSFET, Alexander Lidow, et. al., Owner of
Record:  International Rectifier Corp., El Segundo, Calif.,  Attorney or
Agent: Ostrolenk Faber Gerb & Soffen, New York, N.Y., Ex. Gp.: 2503,
Requester: Peter J. Thoma, Thompson & Knight, Dallas, Tex.; McDermott,
Will & Emery, Washington, D.C.

  5,110,021, Reexam. No. 90/004,421, Oct. 9, 1996, Cl. 254/126,
SCISSORS JACK WHICH HAS IMPROVED FORMED GEAR TEETH, Darryl L. Engel, et.
al., Owner of Record:  Universal Tool & Stamping Co., Butler, Ind.,
Attorney or Agent: Hill Steadman & Simpson, Brett A. Valiquet, Chicago,
Ill., Ex. Gp.: 3203, Requester: Michelle N. Lester, Cushman Darby &
Cushman, Intellectual Prop. Group, Pillsbury, Madison & Sutro,
Washington, D.C.

  5,125,777, Reexam. No. 90/004,423, Oct. 18, 1996, Cl. 409/234, ROTARY
TOOL, Eiichi Osawa, Owner of Record:  Inventor,  Attorney or Agent:
Patrick J. Burns, Greer, Burns & Crain, Chicago, Ill., Ex. Gp.: 3209,
Requester: Richmill USA, Inc., Industry, Calif., c/o Loeb & Loeb, Los
Angeles, Calif.

  5,147,354, Reexam. No. 90/004,426, Oct. 25, 1996, Cl. 606/015,
MID-INFRARED LASER ENDOSCOPE, Theodore A. Boutacoff, et. al., Owner of
Record:  Coherent, Inc., Palo Alto, Calif.,  Attorney or Agent: Michael
A. Stallman, Limbach & Limbach, San Francisco, Calif., Ex. Gp.: 3309,
Requester: Olson & Hierl, Chicago, Ill.

  5,252,149, Reexam. No. 90/004,427, Oct. 25, 1996, Cl. 148/605,
FERROCHROMIUM ALLOY AND METHOD THEREOF, Kevin F. Dolman, Owner of
Record:  Warman International, Ltd., Artarmon, Australia,  Attorney or
Agent: Kerkam Stowell, Kondracki & Clarke, Falls Church, Va., Ex. Gp.:
1308, Requester: GIW Industries, Inc., Grovetown, Ga., c/o George M.
Thomas, Thomas, Kayden, Horstemeyer & Risley, Atlanta, Ga.

  5,434,057, Reexam. No. 90/004,425, Oct. 21, 1996, Cl. 435/018, SPERM
MOTILITY ASSAY AND DEVICES, Randel Dorian, Owner of Record:  Quidel
Corp., San Diego, Calif.,  Attorney or Agent: Townsend and Townsend and
Crew, San Francisco, Calif., Ex. Gp.: 1211, Requester: Owner