Patent Assignment
Reel/Frame 008086/0290
Assignment of Assignor's Interest
Recorded: 1996-04-05
Pages: 3
Assignee
AMICON, INC.
72 CHERRY HILL DRIVE, BEVERLY, MASSACHUSETTS, 01915
Covered Property
(1)
Seal for Chromatography Column Having Ridges
Patent:
5,671,928 →
Application:
08/581,656 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 9, 1997
From: W.R. GRACE & CO.-CONN. AND AMICON,INC.
To: MILLIPORE INVESTMENT HOLDINGS LIMITED
Reel/Frame 008587/0224 →
Merger
Aug 6, 2001
From: MILLIPORE INVESTMENT HOLDINGS LIMITED
To: MILLIPORE CORPORATION
Reel/Frame 012025/0799 →
Change of Name
Jan 31, 2012
From: MILLIPORE CORPORATION
To: EMD MILLIPORE CORPORATION
Reel/Frame 027620/0891 →