Patent Assignment
Reel/Frame 020141/0892
Assignment of Assignor's Interest
Recorded: 2007-11-13
Pages: 3
Assignors
SCHULTE, DAVID LEE JR.
Executed: 2007-09-28
LARSON, THOMAS ROBERT
Executed: 2007-09-28
DUFILHO, PAUL WILLIAM
Executed: 2007-09-28
Assignee
VARCO I/P
10,000 RICHMOND, HOUSTON, TEXAS, 77042
Covered Property
(1)
Vibratory separators and screens
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Assignee to Varco I/P, Inc. That Was Incorrectly Recorded as Varco I/P Previously Recorded on Reel 020141 Frame 0892. Assignor(S) Hereby Confirms the Assignment.
Dec 28, 2020
From: SCHULTE, DAVID L., JR.; LARSON, THOMAS ROBERT; DUFILHO, PAUL WILLIAM
To: VARCO I/P, INC.
Reel/Frame 055485/0714 →
Merger
Jul 17, 2025
From: VARCO I/P, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 071747/0694 →