Patent Assignment
Reel/Frame 010223/0185
Assignment of Assignor's Interest
Recorded: 1999-09-01
Pages: 3
Assignors
FAIRLIE, MATTHEW J.
Executed: 1999-08-03
STEWART, WILLIAM J.
Executed: 1999-08-09
DONG, CHARLIE
Executed: 1999-08-03
Assignee
STUART ENERGY SYSTEMS, INC.
122 THE WEST MALL, TORONTO, ONTARIO M9C 1B9, CANADA
Covered Property
(1)
Pressure Differential Control in an Electrolytic Cell
Patent:
6,146,518 →
Application:
09/387,829 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 12, 2000
From: STUART ENERGY SYSTEMS INC.
To: STUART ENERGY SYSTEMS CORPORATION
Reel/Frame 011075/0825 →
Assignment of Assignor's Interest
Sep 2, 2011
From: STUART ENERGY SYSTEMS CORPORATION
To: 7188501 CANADA INC.
Reel/Frame 026851/0354 →
Change of Name
Sep 2, 2011
From: 7188501 CANADA INC.
To: HYDROGENICS CORPORATION
Reel/Frame 026855/0265 →