IP Library › Assignment 005123/0848
Patent Assignment
Reel/Frame 005123/0848

Assignment of Assignors Interest.

Recorded: 1989-07-10 Pages: 4
Assignors
DOW CHEMICAL COMPANY, THE
Executed: 1989-06-16
Assignee
H-D TECH INC.
4550 HIGHWAY 7, STE. 210, WOODBRIDGE, ONTARIO L4L 4Y7, CANADA
Covered Property (1)
Porous Diaphragm for Electrochemical Cell
Patent: 4,891,107 →
Application: 06/777,483 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jul 10, 1989
From: DONG, DENNIS F.; CLIFFORD, ARTHUR L.
To: HURON CHEMICALS LIMITED; DOW CHEMICAL COMPANY, THE
Reel/Frame 005123/0846 →
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 →