Assignment of Assignors Interest.

Recorded: 1986-07-14 Pages: 1

Assignor

NAGEL, DAVE D.

Executed: 1981-09-23

Assignee

Covered Property (1)

Well Drilling Tool with Diamond Thrust Bearings

Patent: 4,620,601 →

Application: 06/306,290 →

Related Assignments (1)

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