Patent Assignment
Reel/Frame 040424/0398
Change of Name
Recorded: 2016-10-20
Pages: 2
Assignor
OTIS OILFIELD SERVICES LLC
Executed: 2013-05-28
Assignee
WATSON WELL SOLUTIONS, LLC
PO BOX 2689, WATFORD CITY, NORTH DAKOTA, 58854
Covered Property
(1)
Pressure Response Fracture Port Tool for Use in Hydraulic Fracturing Applications
Patent:
10,227,844 →
Application:
15/168,216 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.