24 Utility Patents
#1,126 in San Francisco, CA
#18,810 in California
#64,538 in US
#125,579 in the World
Forward Citations = 313
Company Filing History:



4. 1 out of 18
Fei Efa, Inc.
5. 1 out of 1
Credence Systems Coporation
where one patent can have more than one assignee
Get your Inventor Badge Today