Patent Assignment
Reel/Frame 024579/0425
Assignment of Assignor's Interest
Recorded: 2010-06-23
Pages: 5
Assignor
HALL, DAVID R
Executed: 2010-06-23
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1600, HOUSTON, TEXAS, 77056
Covered Properties
(2)
Horizontal Drilling
Application:
60/894,395 →
Downhole Cover
Application:
61/073,190 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.