Keith W Christiansen (1 out of 11 patents)
Company Badge
USPTO Data Jan 1 1976 - Dec 16 2025
1 Patents
#65 in Elgin, IL
#6,095 in Illinois
#133,781 in US
Chicago Rawhide Manufacturing Corporation
Forward Citations = 8
1 inventor:
Elgin, IL, United States of America
Chicago Rawhide Manufacturing Corporation
Forward Citations = 8
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1 inventor (with patents filed for the assignee):
1 patent:
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