42 Utility Patents
#264 in Seattle, WA
#1,088 in Washington
#27,754 in US
#52,629 in the World
Forward Citations = 1,140
Company Filing History:
Zymogenetics, Inc.
Weatherford/lamb, Inc.
Smith International, Inc.
4. 3 out of 892

5. 1 out of 832,627 patents
Other
where one patent can have more than one assignee
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