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Patent Assignment
Reel/Frame 031415/0040

Assignment of Assignor's Interest

Recorded: 2013-10-16 Pages: 3
Assignors
LEUCHTENBERG, CHRISTIAN
Executed: 2013-09-26
MACGREGOR, ALEXANDER JOHN
Executed: 2013-09-26
Assignee
MANAGED PRESSURE OPERATIONS PTE LTD
1 MARITIME SQUARE, #12-04A, HARBOUR FRONT CENTRE, SINGAPORE
Covered Property (1)
Sealing Assembly
Patent: 9,605,504 →
Application: 14/006,827 →
Publication: US 2015/0369000
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 →