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BRITISH ACOUSTIC FILMS v. ELECTRICAL RESEARCH PROD.

Nos. 1240, 1241.

29 F.Supp. 531 (1939)

BRITISH ACOUSTIC FILMS, Limited, v. ELECTRICAL RESEARCH PRODUCTS, Inc. SAME v. RCA MFG. CO., Inc.

District Court, D. Delaware.

September 22, 1939.

Attorney(s) appearing for the Case

Samuel E. Darby, Jr. (of Darby & Darby), and Paul Kolisch, both of New York City, and Hugh M. Morris, of Wilmington, Del., for plaintiff.

Merrell E. Clark, and Henry R. Ashton (of Fish, Richardson & Neave), both of New York City, and E. Ennalls Berl (of Ward & Gray), of Wilmington, Del., for defendant Electrical Research Products, Inc.

Stephen H. Philbin and John B. Cuningham (of Fish, Richardson & Neave), both of New York City, and Herbert L. Cohen, of Wilmington, Del., for defendant RCA Mfg. Co.

NIELDS, District Judge.

These two suits charge patent infringement of the same patents. They were tried together. For the purposes of these suits it is agreed that the apparatus of each defendant is substantially the same. The defenses are invalidity and non-infringement.

Plaintiff is British Acoustic Films, Limited, a British corporation. It is the owner of patent No. 1,597,819 for a "Device for Feeding Acoustic Films at Constant Speed", issued to Arnold...

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