11 Utility and 147 Design Patents
#1 in Castaic, CA
#74 in California
#175 in US
#247 in the World
rank by design patentsForward Citations = 2,718
Company Filing History:

Emhart Inc.

Virco Mgmt. Corporation

Other
4. 1 out of 20
Teknion Limited
5. 1 out of 1
Embart Inc.
where one patent can have more than one assignee
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