Marconi Wireless Telegraph Co. of America v. De Forest Radio Telephone & Telegraph Co.
District Court, S.D. New York
In Equity. Suit by the Marconi Wireless Telegraph Company of America against the De Forest Radio Telephone & Telegraph Company and Lee De Forest. On final hearing. Decree for complainant against corporation defendant.
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In Equity. Suit by the Marconi Wireless Telegraph Company of America against the De Forest Radio Telephone & Telegraph Company and Lee De Forest. On final hearing. Decree for complainant against corporation defendant. Sait for infringement of claims 1 and 37 of United States letters patent No. 803,684, for “instrument for converting electric currents into continuous currents,” filed April 19, 1905, and issued November 7, 1905, to plaintiff as as-signee of Jolm Ambrose Fleming of London, England. Counterclaim by defendants on various claims of ten patents of Lee De Forest. At tire opening of…
1Opinion of the Court
MAYER, District Judge.
Whatever differences may exist between men of science in respect of the theories by which they account for the movement and action of the unseen forces about which so much has been testified and argued in this case, the solution of the points of the controversy, with a single exception, is not difficult. This, because courts, in an art of this kind, place their decisions upon things demonstrable, and cannot speculate as to theories in regard to which there is not a common agreement among recognized authorities.
In endeavoring to resist plaintiff’s attack, defendants have…
2Cited by9 opinions
- Armstrong v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Second Circuit · 1922
- Hewitt v. American Telephone & Telegraph Co.Court of Appeals for the Second Circuit · 1921
- Kintner v. Atlantic Communication Co.District Court, S.D. New York · 1917
- Marconi Wireless Telegraph Co. of America v. United StatesUnited States Court of Claims · 1935
- Cotton v. McClendonSupreme Court of Oklahoma · 1927
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