Patent Assignment
Reel/Frame 005214/0958
Assignment of Assignors Interest.
Recorded: 1990-01-22
Pages: 4
Assignors
DOW CHEMICAL COMPANY, THE
Executed: 1989-06-16
HURON TECHNOLOGIES INC.
Executed: 1989-06-20
Assignee
H-D TECH INC.
4550 HIGHWAY 7, STE. 210, A CORP. OF CANADA, WOODBRIDGE, ONTARIO, L4L 4Y7, CANADA
Covered Property
(1)
Porous Diaphragm for Electrochemical Cell
Patent:
4,921,587 →
Application:
07/326,774 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.