Dist of Columbia March 1973 casesFord Motor Co. v. Commissioner of PatentsPage Communications Engineers, Inc. v. Hellenic Lines, Ltd.United States v. CostaJoseph v. District of ColumbiaCartier v. Secretary of StateRohms&sHaas Co. v. Commissioner of PatentsDemocratic National Committee v. McCordNational Ass'n for Community Development v. HodgsonSecurities Exch. Com'n v. Natl. Student Mkg.Duncan v. United StatesRuppert v. WashingtonFisher v. Renegotiation BoardI.M. of Atlantic City v. District of ColumbiaUnited States v. HairJennings v. ShultzNational Independent Coal Operators Ass'n v. MortonLeonard v. WalterCity of Petersburg, Virginia v. United States