Search Results       Your search for [author]Berle, Alf Keyser, 1905- returned 1 record.           Inventions and their management. by Berle, Alf Keyser, 1905-; Scranton: International Textbook Co., 1951. Subject: Patents -- United States; Inventions; Patent laws and legislation -- United States; Trade-marks -- United States; Copyright -- United States.          Add to Book Cart Relevance: 46.00%