IP Library Assignment 021124/0966
Patent Assignment
Reel/Frame 021124/0966

Assignment of Assignor's Interest

Recorded: 2008-06-20 Pages: 3
Assignors
SPERANZA, A. JOHN
Executed: 2001-07-31
MOULTHROP, LAWRENCE C., JR.
Executed: 2001-07-31
Assignee
PROTON ENERGY SYSTEMS, INC.
50 INWOOD ROAD, ROCKY HILL, CONNECTICUT, 06067
Covered Property (1)
Electrochemical cell system output control method and apparatus
Application: 10/941,613 →
Publication: US 2005/0029107
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 →
Assignment of Assignor's Interest Jul 23, 2008
From: SPERANZA, A. JOHN; MOULTHROP, LAWRENCE C., JR.
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 021281/0147 →