Patent Assignment
Reel/Frame 043579/0061
Corrective Assignment to Add the Second Omitted Assignees Data Previously Recorded on Reel 043299 Frame 0097. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2017-08-16
Pages: 7
Assignors
VAN SLYKE, DONALD CURTIS
Executed: 2016-06-07
SHUMWAY, WILLIAM WALTER
Executed: 2016-06-15
Assignees
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
CHEVRON U.S.A. INC.
6001 BOLLINGER CANYON ROAD, SAN RAMON, CALIFORNIA, 94583
Covered Property
(1)
Drilling Fluid for Downhole Electrocrushing Drilling
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.