Assignment of Assignor's Interest

Recorded: 1993-07-01 Pages: 2

Assignor

JOHNSON, PAUL C.

Executed: 1991-10-01

Assignee

SHELL OIL COMPANY

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

Covered Property (1)

In-Situ Soil Heating Press/Vapor Extraction System

Patent: 5,244,310 →

Application: 07/770,848 →

Related Assignments (1)

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