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Minneapolis-Honeywell Regulator Co. v. Midwestern Instruments, Inc.

District Court, N.D. Illinois

Decided June 30, 1960No. 57 C 1267PublishedCited by 12 opinions

1Opinion of the Court

ROBSON, District Judge.

This suit involves the validity and infringement of Claims 3 and 13 through 17, inclusive, of the C. A. Heiland Patent No. 2,580,427 for a “Recording Sys-tern,” issued January 1, 1952, on an application filed August 11,1944.

The essence of the invention is an os-cillograph which produces an immediately visible trace or chart of the electrical phenomena being observed. It is used in many scientific, military and medical fields. The unique aspect of the invention is the realization that utilization of radiation, principally in the invisible portion of the spectrum, when…

2Cases cited25 opinions

  1. Lincoln Engineering Co. v. Stewart-Warner Corp.Supreme Court of the United States · 1938
  2. Gayler v. WilderSupreme Court of the United States · 1851
  3. Exhibit Supply Co. v. Ace Patents Corp.Supreme Court of the United States · 1942
  4. Mumm v. Jacob E. Decker & SonsSupreme Court of the United States · 1937
  5. Armour & Co. v. Wilson & Co., Inc.Court of Appeals for the Seventh Circuit · 1960

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3Cited by12 opinions

  1. Fontenot v. Mesa Petroleum Co.Court of Appeals for the Fifth Circuit · 1986
  2. In Re Crozier Bros., Inc.United States Bankruptcy Court, S.D. New York · 1986
  3. Zeeman v. United StatesDistrict Court, S.D. New York · 1967
  4. Davis v. MathewsDistrict Court, E.D. California · 1978
  5. United States v. Carolina Eastern Chemical Co., Inc.District Court, D. South Carolina · 1986

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

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