Ancestors of the inventor John ERICSSON
Ancestry of the Swedish inventor of the screw propeller and the ironclad U.S.S. Monitor.
Charles Robert DARWIN (1809-1882)
Famous Economists' Grave Sites
FamousKin.com - Ancestry of Charles Darwin
Book for sale about the Kentucky farmer who a invented wireless telephone.
United States Patent and Trademark Office
USPTO Web Patent Databases
The Full-Text Database contains all the 6.5 million US patents issued since 1790. In the form of searchable patent numbers and current US classifications hyperlinked to full-page images of each page of each patent.
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