Patent Assignment
Reel/Frame 019492/0084
Confirmatory License
Recorded: 2007-06-27
Pages: 2
Assignor
PROTON ENERGY SYSTEMS, INC.
Executed: 2007-02-15
Assignee
ENERGY, UNITED STATES DEPARTMENT OF
1000 INDEPENDENCE AVE., S.W., WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
System and Method for Detecting Gas
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 6, 2007
From: CHOW, OSCAR KEN; MOULTHROP, LAWRENCE CLINTON; DREIER, KEN WAYNE; MILLER, JACOB ANDREW
To: PROTON ENERGY SYSTEMS
Reel/Frame 018857/0369 →
Security Agreement
Jun 8, 2007
From: PROTON ENERGY SYSTEMS, INC.
To: PERSEUS PARTNERS VII, L.P.
Reel/Frame 019399/0436 →
Corrective Assignment to Correct the Name of the Receiving Party Proton Energy Systems to Proton Energy Systems, Inc. Previously Recorded on Reel 018857 Frame 0369. Assignor(S) Hereby Confirms the Corrected Assignment.
Aug 8, 2007
From: CHOW, OSCAR KEN; MOULTHROP, LAWRENCE CLINTON; DREIER, KEN WAYNE; MILLER, JACOB ANDREW
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 019666/0846 →
Release of Security Interest
Feb 19, 2013
From: PERSEUS PARTNERS VII, L.P.
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 029834/0750 →