IP Library Assignment 026194/0710
Patent Assignment
Reel/Frame 026194/0710

Assignment of Assignor's Interest

Recorded: 2011-04-28 Pages: 3
Assignor
BUTLER, DAVID C.
Executed: 2010-09-01
Assignee
DRESSER, INC.
11TH FLOOR, MILLENNIUM I, 15455 DALLAS PARKWAY, ADDISON, TEXAS, 75001
Covered Property (1)
Pneumatic Controlled Slam Shut Valve
Patent: 9,027,581 →
Application: 13/089,655 →
Publication: US 2011/0259434
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 7, 2018
From: DRESSER, INC.
To: DRESSER, LLC
Reel/Frame 047390/0878 →