IP Library Assignment 018691/0072
Patent Assignment
Reel/Frame 018691/0072

Assignment of Assignor's Interest

Recorded: 2006-12-14 Pages: 3
Assignor
MATZNER, MARK D.
Executed: 2006-12-05
Assignee
S.P.M. FLOW CONTROL, INC.
7601 WYATT DRIVE, FORT WORTH, TEXAS, 76108
Covered Property (1)
Plug Valve Having a Seal Boss
Patent: 7,451,959 →
Application: 11/638,965 →
Publication: US 2008/0142752
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 2, 2023
From: S.P.M. FLOW CONTROL, INC.
To: SPM OIL & GAS INC.
Reel/Frame 062926/0974 →