Patent Assignment
Reel/Frame 004850/0535
Assignment of Assignors Interest.
Recorded: 1988-04-18
Pages: 1
Assignor
PARKER, FREDERICK J.
Executed: 1987-09-04
Assignee
W.R. GRACE & CO.
1114 AVE. OF THE AMERICAS, A CORP. OF CT, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Low Thermal Expansion ZRTIO4-A12TIO5-ZRO2 Compositions
Patent:
4,758,542 →
Application:
07/082,698 →
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
Aug 5, 1994
From: W.R. GRACE & CO.-CONN.
To: FERRO CORPORATION
Reel/Frame 007082/0979 →