IP Library Assignment 021281/0136
Patent Assignment
Reel/Frame 021281/0136

Assignment of Assignor's Interest

Recorded: 2008-07-23 Pages: 11
Assignors
MCCLUSKEY, DONALD H.
Executed: 2002-03-04
PORTER, STEPHEN C.
Executed: 2008-07-11
SPANER, MICHAEL
Executed: 2008-07-16
Assignee
PROTON ENERGY SYSTEMS, INC.
10 TECHNOLOGY DRIVE, WALLINGFORD, CONNECTICUT, 06492
Covered Properties (3)
Method and System for Balanced Control of Backup Power
Patent: 6,902,837 →
Application: 10/065,386 →
Publication: US 2004/0053082
Method and System for Balanced Control of Backup Power
Patent: 7,244,524 →
Application: 11/034,687 →
Publication: US 2005/0122653
Method and system for balanced control of backup power
Application: 60/410,413 →
Related Assignments (3)
Other recorded transfers of the patents 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 Jun 23, 2008
From: MCCLUSKEY, DONALD; PORTER, STEPHEN; SPANER, MICHAEL
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 021127/0757 →
Release of Security Interest Feb 19, 2013
From: PERSEUS PARTNERS VII, L.P.
To: PROTON ENERGY SYSTEMS, INC.
Reel/Frame 029834/0750 →