RADIO CORPORATION OF AMERICA v. COLLINS RADIO CO.

No. 1117.

19 F.Supp. 308 (1937)

RADIO CORPORATION OF AMERICA et al. v. COLLINS RADIO CO.

District Court, D. Delaware.

April 20, 1937.


Attorney(s) appearing for the Case

Thomas G. Haight, of Jersey City, N. J., Abel E. Blackmar, Jr. (of Sheffield & Betts), of New York City, and William G. Mahaffy, of Wilmington, Del., for plaintiffs.

George I. Haight and M. K. Hobbs, both of Chicago, Ill., John B. Brady, of Washington, D. C., and Ayres J. Stockly (of Hastings, Stockly & Duffy), of Wilmington, Del., for defendant.


NIELDS, District Judge.

The parties are before the court a second time upon a motion for a preliminary injunction seeking to enjoin defendant from further infringement of the two De Forest patents Nos. 1,507,016 and 1,507,017 for the "feed-back" invention.

When this suit was brought, a motion was made for a preliminary injunction under the two De Forest patents. The radio transmitter then sold by defendant, known as the 4-A transmitter, utilized the feed-back...

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