Legal Opinion
Westinghouse Electric & Mfg. Co. v. De Forest Radio Telephone & Telegraph Co.
Court of Appeals for the Third Circuit
Decided October 6, 1927No. 3563, 3624-3627PublishedCited by 14 opinions
1Opinion of the Court
WOOLLEY, Circuit Judge.
These cases concern the priority of conception and reduction to practice of a great invention in radio or wireless signalling systems. Though the main issues are purely of fact they are far from simple. This is because of the highly technical character of the still mysterious art out of which they arose and, also, he- cause of the difficulty the lay mind has in comprehending the invention and discovering its place in a train of scientific facts without a previous knowledge of the relation of those facts one to another and, when brought together in one structure, without…
2Cases cited10 opinions
- Morgan v. DanielsSupreme Court of the United States · 1894
- John Simmons Co. v. Grier Brothers Co.Supreme Court of the United States · 1922
- Armstrong v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Second Circuit · 1922
- Armstrong v. De Forest Radio Telephone & Telegraph Co.District Court, S.D. New York · 1921
- De Forest Radio Telephone & Telegraph Co. v. Radio Corp. of AmericaCourt of Appeals for the Third Circuit · 1927
5 more not listed; retrieve them via the Exa API.
3Cited by14 opinions
- Hazeltine Corporation v. Radio Corporation of AmericaDistrict Court, S.D. New York · 1931
- Pennsylvania Turnpike Commission v. McGinnesDistrict Court, E.D. Pennsylvania · 1958
- Braren v. HornerCourt of Customs and Patent Appeals · 1931
- S. & S. Corrugated Paper Machinery Co. v. George W. Swift, Jr., Inc.Court of Appeals for the Third Circuit · 1949
- General Electric Co. v. De Forest Radio Co.District Court, D. Delaware · 1928
9 more not listed; retrieve them via the Exa API.