13 Utility Patents
#553 in Los Gatos, CA
#40,273 in California
#147,077 in US
#295,480 in the World
Forward Citations = 71
Company Filing History:


Fei Efa, Inc.
4. 2 out of 107

5. 2 out of 60
Isothermal Systems Research, Inc.
where one patent can have more than one assignee
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