Legal Opinion

National Electric Signaling Co. v. Telefunken Wireless Telegraph Co.

U.S. Circuit Court for the District of Southern New York

Decided December 5, 1911Published

In Equity. Suit by the National Electric Signaling Company against the Telefunken Wireless Telegraph Company and others for infringement of letters patent No-. 706,736 for a system of transmission of energy by electromagnetic waves, granted to Reginald A. Eessenden August 12, 1902. On motion for preliminary injunction.

1Opinion of the Court

LACOMBE, Circuit Judge.

I do not understand that it is disputed that defendant has operated a wireless telegraph station in this city, in which it has used its own devices including the so-called “detector,” of which a sample or replica has been submitted. The individual defendants have appeared generally in the suit.

_ The record does not disclose any prior patents or publications or other material evidence which was not before the court in the Maine suit. National Electric Signaling Co. v. United Wireless Telegraph Co. (C. C.) 189 Fed. 727. The file-wrapper and contents of which so much has…

2Cases cited1 opinion

  1. National Electric Signaling Co. v. United Wireless Telegraph Co.U.S. Circuit Court for the District of Maine · 1911

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