Patent Assignment
Reel/Frame 006194/0286
Assignment of Assignors Interest.
Recorded: 1992-07-09
Pages: 3
Assignor
WEINSTSEIN, MARTIN J.
Executed: 1992-06-16
Assignee
AMICON, INC., A CORP. OF DE
72 CHERRY HILL DR., BEVERLY, MASSACHUSETTS, 01915
Covered Property
(1)
Cross-Flow Filter Device with Pressure-Balancing Feature
Patent:
5,258,122 →
Application:
07/869,997 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 9, 1992
From: HA, YOUNG SOO; SURETTE, FILEEN D.
To: AMICON, INC., A CORP. OF DE
Reel/Frame 006194/0283 →
Assignment of Assignors Interest.
Jan 8, 1993
From: W.R. GRACE & CO. -CONN.
To: AMICON, INC.
Reel/Frame 006376/0566 →
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 →