Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Patents. 28 Patents and government-developed inventions -- United States 7 Patents as Topic -- ethics. 1 Patents -- Bibliography. 1 Patents -- China. 1 Patents -- Classification. 4 Patents -- Economic aspects. 1 Patents -- Europe -- Statistics. 1 Patents -- Europe -- Statistics -- Periodicals. 1 Patents -- Fees. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >