U.S. Patent & Trademark Office (http://www.uspto.gov/)

      Inventor Resources Page (http://www.uspto.gov/web/offices/com/iip/index.htm)

European Patent Search (http://ep.espacenet.com/search)

Monroe County Library (http://www.rochester.lib.ny.us/ - a U.S. Patent & Trademark Depository Library)

FTC: Invention Promotion Firms Article (http://www.ftc.gov/bcp/conline/pubs/alerts/invnalrt.htm)