Media type: E-Article Title: Review: The United States Patent System: Legal and Economic Conflicts in American Patent History Contributor: Penrose, Edith Tilton Published: The American Economic Association, 1956 Published in: The American Economic Review, 46 (1956) 5, Seite 1027-1029 Language: English ISSN: 0002-8282 Keywords: Book Reviews Origination: Footnote: