139 Utility Patents
#2 in Walnut Creek, CA
#872 in California
#2,677 in US
#4,719 in the World
Forward Citations = 806
Company Filing History:



Sbc Knowledge Ventures, L.p.

At&t Intellectual Property Ii, L.p.
4. 1 out of 2,848

5. 1 out of 74

where one patent can have more than one assignee
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