Patent Assignment
Reel/Frame 014157/0819
Assignment of Assignor's Interest
Recorded: 2003-06-11
Pages: 2
Assignor
CRAM, BRUCE A.
Executed: 2003-05-02
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
#4200, 1500-6TH AVENUE SW, CALGARY, AB, T2P 3Y7, CANADA
Covered Property
(1)
Debris screen for a downhole tool
Application:
10/429,837 →
Publication:
US 2004/0221984
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.