14 Utility Patents
#182 in Spring, TX
#9,131 in Texas
#135,089 in US
#271,038 in the World
Forward Citations = 110
Company Filing History:
Illinois Tool Works Inc.

Pennzoil-quaker State Company
4. 1 out of 7,645

5. 1 out of 1

where one patent can have more than one assignee
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