IP Library Assignment 029078/0273
Patent Assignment
Reel/Frame 029078/0273

Assignment of Assignor's Interest

Recorded: 2012-10-04 Pages: 3
Assignor
LEUCHTENBERG, CHRISTIAN
Executed: 2012-09-03
Assignee
MANAGED PRESSURE OPERATIONS PTE LTD.
18TH FLOOR THONG SIA BUILDING, 30 BIDEFORD ROAD, SINGAPORE, 229922, SINGAPORE
Covered Property (1)
Drilling System and Method of Operating a Drilling System
Patent: 8,973,674 →
Application: 13/580,844 →
Publication: US 2013/0014991
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 →