3 Patents
#1 in Oil City, PA
#2,632 in Pennsylvania
#72,011 in US
Quaker State Oil Refining Corporation
Forward Citations = 75
3 inventors:
Oil City, PA, United States of America
3 inventors (with patents filed for the assignee):
Ted L Beaver (2 out of 46 patents)
George R Conrad (2 out of 17 patents)
James B Bailey (1 out of 1 patent)
3 patents:
#1 in Oil City, PA
#2,632 in Pennsylvania
#72,011 in US
3 inventors: