Patent Assignment
Reel/Frame 005238/0274
Assignment of Assignors Interest.
Recorded: 1990-01-26
Pages: 4
Assignee
H-D TECH INC.
4550 HIGHWAY 7, SUITE 210, WOODBRIDGE, ONTARIO, L4L 4Y7, CANADA
Covered Property
(1)
Cell and Method of Operating a Liquid-Gas Electrochemical Cell
Patent:
4,969,981 →
Application:
07/398,610 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 26, 1990
From: ROGERS, DEREK J.; KLASSEN, ROBERT D.; NOONAN, EDWARD B.
To: H-D TECH INC.
Reel/Frame 005238/0271 →
Supplemental Intellectual Property Pledge Agreement
Aug 29, 1996
From: HURON TECH CORP.; 442 CORPORATION
To: FIRST UNION NATIONAL BANK OF FLORIDA
Reel/Frame 008104/0651 →