IP Library Assignment 030465/0090
Patent Assignment
Reel/Frame 030465/0090

Assignment of Assignor's Interest

Recorded: 2013-05-22 Pages: 3
Assignor
LEUCHTENBERG, CHRISTIAN
Executed: 2010-12-08
Assignee
MANAGED PRESSURE OPERATIONS PTE LTD
30 BIDEFORD ROAD, 18TH FLOOR, THONG SIA BUILDING, SINGAPORE, 229922, SINGAPORE
Covered Property (1)
Method of Drilling a Subterranean Borehole
Patent: 8,657,034 →
Application: 13/667,813 →
Publication: US 2013/0056273
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 27, 2022
From: MANAGED PRESSURE OPERATIONS PTE. LTD.
To: GRANT PRIDECO, INC.
Reel/Frame 061541/0558 →