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Patent Assignment
Reel/Frame 037958/0932

RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY (RELEASES RF 035310-0163)

Recorded: 2016-02-29 Received: 2016-02-29 Pages: 8
Assignor
Assignee
Covered Applications (3)
BORON-CONTAINING OIL WELL FRACTURING FLUID
App. No. 61/974,558
→
LINKAGE ASSEMBLY FOR DRILLING OR MOBILE WELL SERVICING RIG BRAKING SYSTEM
App. No. 12/972,017
→
PUMP IRON RESTRAINT SYSTEM
App. No. 12/424,289
→