Federal Circuit March 1977 casesDe-Tom Enterprises, Inc. v. U.S.Butler v. United StatesEdison Sault Elec. Co. v. United StatesPELZ v. UNITED STATESS.W. Aircraft Inc. v. U.S.Lockheed Aircraft Corp. v. U.S.Huerta v. United StatesTektronix, Inc. v. United StatesSilver v. United StatesCITIZENS NAT. BANK OF WACO v. UNITED STATESEstate of Chesterton v. United StatesNorton v. United StatesPitcairn v. United StatesJackson v. United StatesPeople of State of Cal. v. United StatesGragg v. United States