Patent Assignment
Reel/Frame 006050/0667
Assignment of Assignors Interest.
Recorded: 1992-03-25
Pages: 3
Assignee
W. R. GRACE & CO.-CONN.
A CORPORATION OF CT, 1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Sintered Silicon Nitride
Patent:
5,120,685 →
Application:
07/629,754 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 5, 1994
From: W.R. GRACE & CO.-CONN.
To: FERRO CORPORATION
Reel/Frame 007082/0979 →
Assignment of Assignor's Interest
Mar 24, 2004
From: FERRO CORPORATION
To: CERCO LLC
Reel/Frame 014455/0001 →
Nunc Pro Tunc Assignment
Jul 2, 2010
From: CERCO LLC
To: CERCO, INC.
Reel/Frame 024630/0233 →