1. Correspondence Regarding Patent Monopoly in the Petroleum Industry Identifier: CAC_CC_047_1_6_5_0014 Contributing Institution: Carl Albert Congressional Research and Studies Center, University of Oklahoma, Norman, OK Collection: George B. Schwabe Collection Title: Correspondence Regarding Patent Monopoly in the Petroleum Industry Date: 1945-04-26 Creator: unknown Topic: Older people--Medical care--United States Congress: 79th (1945-1947)