2006-12-20 06:34:09 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Engineering
About 49% of existing United States patents are held by non-Americans, and up to 40% of newly issued US patents are also to non-Americans.
2006-12-27 05:09:49 · answer #1 · answered by DavidK93 7 · 0⤊ 1⤋
United States Patent and Trademark Office...
This is the only official Web site of the United States Patent and Trademark ... About USPTO. About USPTO Main Page....
www.uspto.gov
Databases: Patent Grant and Patent...
Patent Electronic Business Center > Patent Full-Text and Full-Page Image Databases ... Advanced Search. Patent Number...
www.uspto.gov/patft
U.S. Patents
U.S. Patents through COS is a fully searchable bibliographic database containing ... Main Search. Search by State. Search...
patents.cos.com
2006-12-26 02:21:43 · answer #2 · answered by Byzantino 7 · 1⤊ 1⤋