Patent Assignment
Reel/Frame 019492/0129
Confirmatory License
Recorded: 2007-06-27
Pages: 2
Assignor
PROTON ENERGY SYSTEMS, INC.
Executed: 2007-03-23
Assignee
ENERGY, UNITED STATES DEPARTMENT OF
1000 INDEPENDENCE AVE., S.W, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Gas Venting System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2007
From: DREIER, KEN WAYNE; MOULTHROP, LAWRENCE CLINTON; WHITE, ERIK JAMES; KHAN, AMJAD
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 018958/0824 →
Security Agreement
Jun 8, 2007
From: PROTON ENERGY SYSTEMS, INC.
To: PERSEUS PARTNERS VII, L.P.
Reel/Frame 019399/0436 →
Release of Security Interest
Feb 19, 2013
From: PERSEUS PARTNERS VII, L.P.
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 029834/0750 →