Patent Assignment
Reel/Frame 014204/0602
Merger
Recorded: 2003-12-17
Pages: 3
Assignor
POLAR COMPLETIONS ENGINEERING INC.
Executed: 2003-01-01
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC
4800 - 27TH STREET S.E., CALGARY, AB, T2B 3M2, CANADA
Covered Property
(1)
Composite Packer Cup
Application:
09/990,383 →
Publication:
US 2003/0098153
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 15, 2003
From: SERAFIN, WITOLD P.
To: POLAR COMPLETIONS ENGINEERING INC.
Reel/Frame 014199/0763 →
Assignment of Assignor's Interest
Jun 8, 2004
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: INNICOR SUBSURFACE TECHNOLOGIES INC.
Reel/Frame 014699/0522 →