Assignment of Assignors Interest.

Recorded: 1990-04-30 Pages: 3

Assignors

ROENSCH, L. FREDRICK

Executed: 1990-04-18

CHANG, KELVIN Y.

Executed: 1990-04-18

TANNER, CLARENCE T.

Executed: 1990-04-18

Assignee

Covered Property (1)

Method for Prevention of Well Fouling

Patent: 5,069,286 →

Application: 07/516,177 →

Related Assignments (1)

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