IP Library Assignment 016541/0284
Patent Assignment
Reel/Frame 016541/0284

Assignment of Assignor's Interest

Recorded: 2005-09-15 Pages: 3
Assignors
GUDINO, LUISA
Executed: 2005-09-15
SPERANZA, A. JOHN
Executed: 2005-09-14
Assignee
PROTON ENERGY SYSTEMS, INC.
10 TECHNOLOGY DRIVE, WALLINGFORD, CONNECTICUT, 06492
Covered Property (1)
System for Maintaining Hydrogen Purity in Electrical Generators and Method Thereof
Patent: 7,550,113 →
Application: 10/711,395 →
Publication: US 2006/0057034
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 →