IP Library › Assignment 013376/0322
Patent Assignment
Reel/Frame 013376/0322

Assignment of Assignor's Interest

Recorded: 2003-01-22 Pages: 4
Assignors
BARBIR, FRANO
Executed: 2002-12-17
BALASUBRAMANIAN, BHASKAR
Executed: 2003-01-03
STONE, MATTHEW
Executed: 2002-12-17
Assignee
PROTON ENERGY SYSTEMS, INC.
10 TECHNOLOGY DRIVE, WALLINGFORD, CONNECTICUT, 06492
Covered Property (1)
Electrochemical Hydrogen Compressor for Electrochemical Cell System and Method for Controlling
Patent: 6,994,929 →
Application: 10/248,470 →
Publication: US 2004/0142215
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →