Patent Assignment
Reel/Frame 012763/0660
Assignment of Assignor's Interest
Recorded: 2002-03-29
Pages: 3
Assignors
D'ANGELO, RALPH M.
Executed: 2002-03-28
WINKLER, KENNETH W.
Executed: 2002-03-28
JOHNSON, DAVID L.
Executed: 2002-03-28
GUSTAVSON, GALE
Executed: 2002-03-28
MULLINS, OLIVER C.
Executed: 2002-03-28
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD, RIDGEFIELD, CONNECTICUT, 06877
Covered Property
(1)
Assessing a Solids Deposit in an Oilfield Pipe
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.