Patent Assignment
Reel/Frame 006410/0851
Assignment of Assignors Interest.
Recorded: 1993-01-27
Pages: 4
Assignee
SMITH ENERGY SERVICES A DIVISION OF ALLIED PRODUCTS CORPORATION
10 RIVERSIDE PLAZA, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Method for Reducing Deleterious Environmental Impact of Subterranean Fracturing Processes
Patent:
5,424,285 →
Application:
08/009,790 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 23, 1993
From: ALLIED PRODUCTS CORPORATION
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006806/0760 →
Assignment of Assignor's Interest
Jun 19, 1995
From: WESTERN COMPANY OF NORTH AMERICA, THE
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007526/0440 →
Assignment of Assignor's Interest
Oct 31, 2001
From: BJ SERVICES COMPANY, U.S.A.
To: BJ SERVICES COMPANY
Reel/Frame 012333/0812 →