KLAPPROTT

v.

UNITED STATES

Citator

Cited By (12 total)

• Armour & Co. v. Wilson & Co., Inc., 274 F.2d 143 (7th Cir. 1960)
  …1950, 339 U.S. 605, 609, 70 S.Ct. 854, 857, 94 L.Ed. 1097, the Court stated that “[a] finding of equivalence is a determination of fact.” In Hazeltine Research v. Admiral Corp., 7 Cir., 1950, 183 F. 2d 953, 954- [*152] 955, certiorari denied 1950, 340 U.S. 896, 71 S.Ct. 239, 95 L.Ed. 650, in an opinion by Chief Judge Major, this court followed the holding in Graver that Rule 52(a) has application to findings of fact based upon the conflicting testimony of expert witnesses. After reviewing the extent and e…
• Wahl v. Carrier Mfg. Co., Inc., 511 F.2d 209 (7th Cir. 1975)
  …rm substantially the same function in substantially the same way, and the doctrine of equivalents applies. The finding of equivalence is a determination of fact (Hazel-tine Research v. Admiral Corp., 183 F. 2d 953, 955 (7th Cir. 1950), cert. denied, 340 U.S. 896, 71 S.Ct. 239, 95 L.Ed. 650 (1950)) and is supported by sufficient evidence, which we need not detail. That finding is not clearly erroneous and therefore cannot be disturbed. Damages for Infringement The District Court confirmed the master’s find…
• Hazeltine Research, Inc. v. Avco Mfg. Corp. & The Harry Alter Co., Inc., 227 F.2d 137 (7th Cir. 1955)
  …e invention forming the subject matter of patent 2,208,-374. In 1949 when that patent was held to be valid and infringed by Admiral, Hazeltine Research, Inc., v. Admiral Corporation, D.C., 87 F.Supp. 72; Id., 7 Cir., 183 F. 2d 953, certiorari denied 340 U.S. 896, 71 S.Ct. 239, 95 L.Ed. 650, Lewis was no longer connected with plaintiff. As a means of recognizing that one of his inventions, sustained by litigation, had proved to be of substantial value, an agreement was made between plaintiff and Lewis, under…