Assignment of Assignor's Interest

Recorded: 2015-02-05 Pages: 11

Assignor

PRODUCTION SCIENCES, INC.

Executed: 2014-12-30

Assignee

CHEVRON U.S.A. INC.

1500 LOUISIANA STREET, HOUSTON, TEXAS, 77002

Covered Property (1)

Blapper Valve Tools and Related Methods

Application: 14/564,368 →

Publication: US 2016/0237797

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.