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DUO-FLEX CORPORATION v. BUILDING SERVICE COMPANY

No. 20080.

322 F.2d 94 (1963)

DUO-FLEX CORPORATION, Appellant, v. BUILDING SERVICE COMPANY and First National Building Corporation, Appellees. BUILDING SERVICE COMPANY and First National Building Corporation, Appellants, v. DUO-FLEX CORPORATION, Appellee.

United States Court of Appeals Fifth Circuit.

August 22, 1963.

Attorney(s) appearing for the Case

William H. Pavitt, Jr., Los Angeles, Cal., Howard E. Moore, Dallas, Tex., Smyth, Roston & Pavitt, Los Angeles, Cal., for appellant-appellee.

Tom Arnold, Houston, Tex., Wm. T. Wofford, Carlisle Cravens, Fort Worth, Tex., Arnold, Roylance & Harris, Houston, Tex., Wofford & Richards, Fort Worth, Tex., Paul E. Harris, Houston, Tex., for both defendants.

Charles L. Stephens, Cantey, Hanger, Johnson, Scarborough & Gooch, Fort Worth, Tex., for defendant First National Building Corp.

Before HUTCHESON, GEWIN and BELL, Circuit Judges.

HUTCHESON, Circuit Judge.

These appeals are from the judgment of the district court that all five claims of the Stanley patent,1 a combination patent for the construction of suspended acoustical ceilings, are valid but were not infringed by the defendants.2 The plaintiff, holder of the Stanley patent, appeals from that part of the judgment holding that claims 2, 3, and 4 of the patent were not infringed by...

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