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JACUZZI BROS. v. BERKELEY PUMP CO.

No. 12540.

191 F.2d 632 (1951)

JACUZZI BROS., Inc. v. BERKELEY PUMP CO. et al.

United States Court of Appeals Ninth Circuit.

Rehearing Denied September 12, 1951.

Attorney(s) appearing for the Case

Charles O. Bruce, Nathan G. Gray, Berkeley, Cal. (Edward Brosler, Berkeley, Cal., of counsel), for appellant.

Mellin, Hanscom & Hursh, Oscar A. Mellin, LeRoy Hanscom and Jack E. Hursh, San Francisco, Cal., for appellees.

Before STEPHENS and BONE, Circuit Judges, and FEE, District Judge.

JAMES ALGER FEE, District Judge.

Appellants hold two United States patents (Nos. 2,424,285 and 2,344,958) and bring suit for infringement by structures manufactured by defendant. The defendant denied and asked for declaratory judgments of invalidity of both patents.

These patents describe multi-stage centrifugal pumps with low and high pressure discharge openings. Distinct pumping systems are outlined, embodying such pumps and injector assemblies as integral...

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