Legal Opinion
Welsh v. Rockmaster Equipment Manufacturing Inc.
District Court, E.D. Texas
Decided March 31, 1998No. 1:96-cv-00142Published
1Opinion of the Court
MEMORANDUM OPINION 1
COBB, District Judge.
Before this court is Plaintiffs’ Application for a Preliminary Injunction on the issue of the validity of the United States Patent Number 5,471,139 (the ’139 Patent) now owned by Defendant Rockmaster Equipment Manufacturing, Inc. The ’139 Patent was issued on December 26, 1995, and based upon the application of Defendant Paul J. Scott, which was filed on May 25, 1993. Plaintiffs . contend that the. ’139 Patent is invalid, and unenforceable, and seek to enjoin Defendants from making, using, or selling the invention disclosed in the ’139 Patent.
Specifical…
2Cases cited21 opinions
- Paragon Podiatry Laboratory, Inc. v. Klm Laboratories, Inc.Court of Appeals for the Federal Circuit · 1993
- Campbell Soup Company v. Conagra, Inc. Sallie W. Rosenthal Conagra, Inc. And Sallie RosenthalCourt of Appeals for the Third Circuit · 1992
- Allied Marketing Group, Inc., D/B/A Sweepstakes Clearinghouse v. Cdl Marketing, Inc., Carl D. Landon and S & H Marketing Group, Inc.Court of Appeals for the Fifth Circuit · 1989
- Umc Electronics Company v. The United States, Cross-AppellantCourt of Appeals for the Federal Circuit · 1987
- Bausch & Lomb, Inc. v. Barnes-Hind/hydrocurve, Inc., and Barnes-Hind International, Inc.Court of Appeals for the Federal Circuit · 1986
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