IP Library Assignment 005693/0989
Patent Assignment
Reel/Frame 005693/0989

Assignment of Assignors Interest.

Recorded: 1991-05-08 Pages: 5
Assignors
SANDSTROM, ERIC L.
Executed: 1991-05-02
PROKOP, ALFRED
Executed: 1991-05-02
YOUNG, WILLIAM H., II
Executed: 1991-05-02
D'URSO, ANTHONY M.
Executed: 1991-05-02
Assignee
W. R. GRACE & CO.-CONN. A CORPORATION OF CT
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property (1)
Filter Element and Spiral-Wound Membrane Cartridge Containing Same
Patent: 5,114,582 →
Application: 07/684,704 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →