Legal Opinion

O.M.I. Corp. of America v. Kelsh Instrument Co.

Court of Appeals for the Fourth Circuit

Decided May 30, 1960No. 7979PublishedCited by 7 opinions

1Opinion of the Court

SOPER, Circuit Judge.

This appeal is taken from a declaratory judgment in which it was adjudged that United States Patent No. 2,492,870 for a stereoscopic projection map making instrument issued to Harry T. Kelsh and owned by Kelsh Instrument Company, Inc., a Maryland corporation, is valid and had been infringed by O. M. I. Corporation of America, a New York corporation, and Ottico Meccanica Italiana E Rivelamenti Aerofotogrammetrici S. p. A., an Italian corporation.

Ottico has been engaged in Rome in the manufacture and distribution of photogrammetric plotting apparatus for many years under…

2Cases cited5 opinions

  1. Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
  2. Black & Decker Mfg. Co. v. Baltimore Truck Tire Service Corp.Court of Appeals for the Fourth Circuit · 1930
  3. Interstate Rubber Products Corp. v. Radiator Specialty Co., Inc.Court of Appeals for the Fourth Circuit · 1954
  4. Western Electric Co. v. North Electric Co.Court of Appeals for the Sixth Circuit · 1905
  5. O. M. I. Corp. v. Kelsh Instrument Co.District Court, D. Maryland · 1959

3Cited by7 opinions

  1. Westvaco Corporation v. International Paper CompanyCourt of Appeals for the Federal Circuit · 1993
  2. Entron on Maryland, Inc. v. Jerrold Electronics CorporationCourt of Appeals for the Fourth Circuit · 1961
  3. Berry Brothers Corporation, and Cross-Appellee v. Paul L. Sigmon, Trading as Sigmon Hosiery Manufacturing Company, and Cross-AppellantCourt of Appeals for the Fourth Circuit · 1963
  4. Triumph Hosiery Mills, Inc. v. Alamance Industries, Inc.Court of Appeals for the Fourth Circuit · 1962
  5. O.M.I. Corporation Of America v. Kelsh Instrument CompanyCourt of Appeals for the Fourth Circuit · 1960

2 more not listed; retrieve them via the Exa API.

Showing a preview — retrieve the full document via the Exa API.

Powered by the Exa API