Patent Assignment
Reel/Frame 032780/0705
Assignment of Assignor's Interest
Recorded: 2014-04-29
Pages: 3
Assignor
PATTERSON, ANDREW J.
Executed: 2014-04-21
Assignee
PROSERV OPERATIONS, INC.
13105 NORTHWEST FREEWAY, STE 250, HOUSTON, TEXAS, 77040
Covered Property
(1)
Dual Pressure Shuttle Valve
Application:
14/264,669 →
Publication:
US 2015/0309515
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 14, 2015
From: PROSERV OPERATIONS INC.; PROSERV UK LIMITED
To: HSBC BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 035404/0208 →
Security Interest
Apr 14, 2015
From: PROSERV OPERATIONS INC.
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 035404/0603 →
Termination and Release of Security Interest in Patent Collateral
Mar 8, 2018
From: HSBC BANK USA, NATIONAL ASSOCIATION
To: PROSERV OPERATIONS, INC.
Reel/Frame 045538/0279 →
Assignment of Patent Security Agreement
Mar 20, 2018
From: UBS AG, STAMFORD BRANCH
To: RIVERSTONE V ACQUISITION HOLDINGS LTD.
Reel/Frame 045662/0200 →
Termination and Release of Security Interest in Patent Collateral
Mar 22, 2018
From: RIVERSTONE V ACQUISITION HOLDINGS LTD.
To: PROSERV OPERATIONS, INC.
Reel/Frame 045663/0904 →