Patent Assignment
Reel/Frame 014199/0763
Assignment of Assignor's Interest
Recorded: 2003-12-15
Pages: 2
Assignor
SERAFIN, WITOLD P.
Executed: 2002-10-08
Assignee
POLAR COMPLETIONS ENGINEERING 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.
Merger
Dec 17, 2003
From: POLAR COMPLETIONS ENGINEERING INC.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC
Reel/Frame 014204/0602 →
Assignment of Assignor's Interest
Jun 8, 2004
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: INNICOR SUBSURFACE TECHNOLOGIES INC.
Reel/Frame 014699/0522 →