Patent Assignment
Reel/Frame 006547/0456
Assignment of Assignor's Interest
Recorded: 1993-06-01
Pages: 3
Assignee
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Battery Separators with T-Shaped Ribs
Patent:
5,264,304 →
Application:
07/764,252 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 23, 1994
From: W.R. GRACE & CO.-CONN.
To: POLYPORE GROUP, INC.
Reel/Frame 007215/0270 →
Change of Name
Dec 12, 1994
From: POLYPORE GROUP, INC.
To: DARAMIC, INC.
Reel/Frame 007244/0435 →
Security Interest
Feb 17, 1995
From: POLYPORE GROUP, INC.
To: CHASE MANHATTAN BANK, N.A., THE A DE CORP.
Reel/Frame 007434/0297 →
Security Agreement
Nov 29, 2002
From: CELGARD, INC.
To: CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT, THE
Reel/Frame 013964/0538 →