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USPTO Data Jan 1 1976 - Jan 6 2026
1 Patents
#1,753 in San Francisco, CA
#28,454 in California
#133,947 in US
Urban Root L.l.c.
Forward Citations = 43
5 inventors:
San Francisco, CA, United States of America
Urban Root L.l.c.
Forward Citations = 43
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5 inventors (with patents filed for the assignee):
Charles Julian Ray (1 out of 8 patents)
Charles Graham Ray (1 out of 9 patents)
James Urban (1 out of 8 patents)
4. Albert L Key (1 out of 3 patents)
5. Michael James (1 out of 3 patents)
1 patent:
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