29 Utility and 1 Design Patents
#15 in Wheaton, IL
#1,642 in Illinois
#50,240 in US
#97,207 in the World
rank by utility patentsForward Citations = 1,295
Company Filing History:

Other

4. 2 out of 2
Dfs Linkages, Inc.
5. 2 out of 2
Proofspace, Inc.
where one patent can have more than one assignee
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