IP Library Assignment 029257/0815
Patent Assignment
Reel/Frame 029257/0815

Assignment of Assignor's Interest

Recorded: 2012-11-07 Pages: 3
Assignor
LEUCHTENBERG, CHRISTIAN
Executed: 2012-11-07
Assignee
MANAGED PRESSURE OPERATIONS PTE LTD
1 MARITIME SQUARE, #12-04A, HARBOUR FRONT CENTRE, SINGAPORE, 099253, SINGAPORE
Covered Property (1)
Apparatus for and Method of Drilling a Subterranean Borehole
Patent: 9,051,803 →
Application: 13/262,595 →
Publication: US 2012/0090893
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 →