Click on the broken link graphic and fill in the form
-
Ancestors of the inventor John ERICSSON
Ancestry of the Swedish inventor of the screw propeller and the ironclad U.S.S. Monitor.
-
Book for sale about the Kentucky farmer who a invented wireless telephone.
-
-
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.
-
