Assignment of Assignors Interest.

Recorded: 1993-04-15 Pages: 2

Assignors

DICKS, LYNTON W. R.

Executed: 1991-11-26

JOHNSON, PAUL C.

Executed: 1991-11-26

MARSDEN, ARNOLD R., JR.

Executed: 1991-11-26

WEINGAERTNER, DAVID A.

Executed: 1991-11-26

Assignee

SHELL OIL COMPANY

P.O. BOX 2463, 900 LOUISIANA, HOUSTON, TEXAS, 77252-2463

Covered Property (1)

Modified Heater for in Situ Soil Heating

Patent: 5,233,164 →

Application: 07/800,192 →

Related Assignments (1)

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