Legal Opinion
National Rolled Thread Die Co. v. E. W. Ferry Screw Products, Inc.
Court of Appeals for the Sixth Circuit
Decided September 1, 1976No. Nos. 75-2010, 75-2011PublishedCited by 7 opinions
1Opinion of the Court
PHILLIPS, Chief Judge.
National Rolled Thread Die Company (National), the assignee of reissue Patent No. 26,518, brought this action against Colt Industries Operating Corp. (Colt) and several customers of Colt for infringement. Colt raised the affirmative defense that the reis*595sue patent was invalid and unenforceable. The District Court held the reissue claims in suit to be valid, but that National failed to meet its burden of establishing infringement by a preponderance of the evidence. We affirm.
I
The patent discloses self-pointing dies which are used in the production of gimlet point screws —…
2Cases cited40 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
- MacHine Co. v. MurphySupreme Court of the United States · 1878
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898
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3Cited by7 opinions
- Pic Inc. v. Prescon Corp.District Court, D. Delaware · 1980
- Mead Digital Systems, Inc. Mead Corporation, Cross-Appellant v. A.B. Dick Company and Gould, Inc., Cross-AppelleesCourt of Appeals for the Sixth Circuit · 1983
- Reynolds Metals Co. v. Aluminum Co. of AmericaDistrict Court, N.D. Indiana · 1978
- Bally Manufacturing Corp. v. Sidney A. Diamond, Commissioner of Patents and TrademarksCourt of Appeals for the Fourth Circuit · 1980
- Manufacturers Systems, Inc. v. Adm Industries, Inc., Indiana Tool & Mfg. Co., Inc., Drexell (Rex) L. Simpson and Ams of Indiana, Inc.Court of Appeals for the Seventh Circuit · 1979
2 more not listed; retrieve them via the Exa API.