Assignment of Assignor's Interest

Recorded: 2018-02-14 Pages: 6

Assignors

WENTWORTH, STEVEN W.

Executed: 2017-12-21

CRANE, ROBERT F.

Executed: 2017-12-22

RANDA, MARK D.

Executed: 2018-01-02

Assignee

EARTH TOOL COMPANY LLC

500 SOUTH C.P. AVENUE, LAKE MILLS, WISCONSIN, 53551

Covered Property (1)

Steerable Downhole Hammer Bit

Application: 15/828,725 →

Publication: US 2018/0155985

Related Assignments (1)

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