Patent Assignment
Reel/Frame 007478/0350
Assignment of Assignor's Interest
Recorded: 1995-05-03
Pages: 3
Assignor
HAMMEKEN, MICHAEL
Executed: 1995-04-28
Assignee
AMICON, INC.
72 CHERRY HILL DRIVE, BEVERLY, MASSACHUSETTS, 01915
Covered Property
(1)
Spiral-Wound Filtration Cartridge with Longitudinal Bypass Feature
Patent:
5,490,926 →
Application:
08/332,013 →
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
Feb 21, 2012
From: MILLIPORE INVESTMENT HOLDINGS, LTD
To: MILLIPORE CORPORATION
Reel/Frame 027734/0196 →
Change of Name
Feb 22, 2012
From: MILLIPORE CORPORATION
To: EMD MILLIPORE CORPORATION
Reel/Frame 027747/0084 →