Legal Opinion
USM Corp. v. Detroit Plastic Molding Co.
District Court, E.D. Michigan
Decided February 23, 1982No. Civ. A. No. 76-72536Published
1Opinion of the Court
MEMORANDUM OPINION
JULIAN ABELE COOK, Jr., District Judge.
I
INTRODUCTION
A. The Patents-In-Suit
On December 4, 1973, Plaintiff, USM Corporation (USM), as assignee of inven*905tors, R. E. Annis, Jr. (Annis) and W. T. Kyritsis (Kyritsis) was granted United States Patent 3,776,989 (989 Patent). This Patent is entitled, “Method for Injection Molding Articles of Foam Material Involving Autogenous Flow.” The abstract thereof provides a concise summary of its disclosure:
“A process of molding articles of foam material comprising forming a mixture of organic polymeric resin material and a blowing agent in a…
2Cases cited23 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Sakraida v. Ag Pro, Inc.Supreme Court of the United States · 1976
- Lee v. RungeSupreme Court of the United States · 1971
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