Erster Leiter des amerikanischen Patentamts. Präsident des Versicherungskonzerns Aetna. Gründer des späteren Landwirtschaftsministeriums der USA. 1835 Bürgermeister von Hartford.
ΕπικεφαλίδαEllsworth, Henry Leavitt χρησιμοποιείται σε: Integrated Authority File (GND), Germany
Πηγές
Πηγές για την έκδοσηA digest of patents, issued by the United States, from 1790 to January 1, 1839. - 1840
Henry Leavitt Ellsworth, founder of what became the United States Department of Agriculture, first Commissioner of the U.S. Patent Office. Illustration accompanying Ellsworth's entry in the United States Department of Agriculture Yearbook, 1902 [Unknown authorUnknown author / Frontispiece. USDA Yearbook 1902 -- Public domain -- http://commons.wikimedia.org/wiki/File:HenryLeavittEllsworth.jpg]