Patent Assignment
Reel/Frame 004821/0393
Assignment of Assignors Interest.
Recorded: 1987-12-28
Pages: 2
Assignee
W. R. GRACE & CO., A CORP. OF CT.
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Cathodic Electrode
Patent:
4,735,875 →
Application:
06/843,480 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective Date: May 25, 1988 Connecticut
Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →
Assignment of Assignor's Interest
Feb 13, 1998
From: W.R. GRACE & CO.-CONN.
To: MINNESOTA MINING AND MANUFACTURING COMPANY
Reel/Frame 009052/0899 →