IP Library Assignment 045900/0884
Patent Assignment
Reel/Frame 045900/0884

Assignment of Assignor's Interest

Recorded: 2018-05-25 Pages: 3
Assignors
WEINTRAUB, PRESTON
Executed: 2015-05-15
QUACKENBUSH, JOSEPH
Executed: 2015-05-05
Assignee
PROSERV OPERATIONS, INC.
13105 NORTHWEST FREEWAY, STE. 250, HOUSTON, TEXAS, 77040
Covered Property (1)
Dirty Fluid Pressure Regulator and Control Valve
Application: 15/989,296 →
Publication: US 2018/0274329
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 10, 2024
From: PROSERV OPERATIONS, LLC.
To: PROSERV GILMORE VALVE, LLC.
Reel/Frame 067065/0600 →