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The colored inventor
Baker, Henry Edwin - 1969
Persistent link: https://www.econbiz.de/10000552228
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American black scientists and inventors
Jenkins, Edward S.; Hudson, Gossie Harold; Jackson, W. … - 1975
Persistent link: https://www.econbiz.de/10000557810
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Black pioneers of science and invention
Haber, Louis - 1970 - 1. ed
Persistent link: https://www.econbiz.de/10000597165
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Inventions, patents and their management
Berle, Alf Keyser; DeCamp, Lyon Sprague - 1959
Persistent link: https://www.econbiz.de/10000318293
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Standards of patentability for European inventions : should an inventive step advance the art?
Ullrich, Hanns - 1980 - 1. Nachdr. der 1. Aufl. 1977
Persistent link: https://www.econbiz.de/10000542875
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Invention & innovation in the radio industry
Maclaurin, William Rupert - 1949
Persistent link: https://www.econbiz.de/10000656686
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Independent inventors and the patent system
Tuska, Clarence D. - 1961
Persistent link: https://www.econbiz.de/10000672123
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Alliance for progress : A social invention in the making
Perloff, Harvey Stephen - 1969
Persistent link: https://www.econbiz.de/10000570328
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The employed inventor in the United States. R and D policies, law, and practice
Neumeyer, Fredrik - 1971
Persistent link: https://www.econbiz.de/10000571370