Legal Opinion

Read Corp. v. Portec, Inc.

District Court, D. Delaware

Decided October 23, 1990No. Civ. A. 88-29-JRRPublishedCited by 1 opinion

1Opinion of the Court

OPINION

ROTH, District Judge.

The Read Corporation and F.T. Read & Sons, Inc. (“Read”) brought this action, charging willful infringement by defendant Portee, Inc. (“Portee”) of two patents: United States Patent 4,197,194 (“the ’194 patent”) and United States Design Patent 263,836 (“the ’836 patent”). Plaintiff F.T. Read & Sons, Inc., is the assignee of the two patents, and plaintiff F.T. Read Corporation is the licensee of the patents. James Read is the principal of the plaintiff companies and the inventor of both patents.

These patents cover a screening device for separating fine earth…

2Cases cited33 opinions

  1. Gorham Co. v. WhiteSupreme Court of the United States · 1872
  2. Avia Group International, Inc., (Formerly Pensa, Inc.) v. L.A. Gear California, Inc.Court of Appeals for the Federal Circuit · 1988
  3. Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
  4. Panduit Corp. v. Stahlin Bros. Fibre Works, Inc.Court of Appeals for the Sixth Circuit · 1978
  5. Loctite Corporation, Appellant/cross-Appellee v. Ultraseal Ltd., Appellees/cross-AppellantsCourt of Appeals for the Federal Circuit · 1985

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3Cited by1 opinion

  1. The Read Corporation and F.T. Read & Sons, Inc. v. Portec, Inc., D/B/A Portec/kolberg DivisionCourt of Appeals for the Federal Circuit · 1992

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