Patent Assignment
Reel/Frame 014197/0588
Assignment of Assignor's Interest
Recorded: 2003-06-20
Pages: 3
Assignors
CRAM, BRUCE A.
Executed: 2003-05-01
SERAFIN, VITOLD P.
Executed: 2003-05-01
TATE, BARRY J.
Executed: 2003-05-01
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
#4200, 1500-6TH AVENUE SW, CALGARY, AB, T2P 3Y7, CANADA
Covered Property
(1)
Hydraulically set liner hanger
Application:
10/404,450 →
Publication:
US 2004/0194954
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.