IP Library Assignment 035551/0346
Patent Assignment
Reel/Frame 035551/0346

Assignment of Assignor's Interest

Recorded: 2015-05-02 Pages: 4
Assignors
LEUCHTENBERG, CHRISTIAN
Executed: 2015-04-20
SAVAGE, PAT
Executed: 2015-03-19
Assignee
MANAGED PRESSURE OPERATIONS PTE. LTD.
1 MARITIME SQUARE,, #12-04A, HARBOUR FRONT CENTRE, SINGAPORE, 099253, SINGAPORE
Covered Property (1)
Drilling Method for Drilling a Subterranean Borehole
Patent: 9,506,305 →
Application: 14/431,917 →
Publication: US 2015/0252637
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 →