Links
- The Israeli Patent Office: www.justice.gov.il/MOJEng/RashamPatentim
- The U.S. Patent and Trademark Office: www.uspto.gov
- The European Patent Office: www.epo.org
- Espacenet: http://ep.espacenet.com
- World Intellectual Property Organization: www.wipo.int/portal/index.html.en
- www.tikotac.com