38 Utility and 7 Design Patents
#23 in Northbrook, IL
#1,005 in Illinois
#31,814 in US
#60,428 in the World
rank by utility patentsForward Citations = 2,514
Company Filing History:
Capital Security Systems, Inc.
Livingston Products, Inc.
Sno-gem Incorporated
4. 3 out of 3
The Froelich Group LLC
5. 3 out of 4
Master Products, Inc.
where one patent can have more than one assignee
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