Patent Assignment
Reel/Frame 005343/0186
Assignment of Assignors Interest.
Recorded: 1990-05-31
Pages: 3
Assignors
KRAUS, MENAHEM
Executed: 1990-05-16
KATSNELSON, INESSA
Executed: 1990-05-17
HEISLER, MARK
Executed: 1990-05-23
Assignee
GELMAN SCIENCES, INC.
600 SOUTH WAGNER RD., A CORP. OF MI, ANN ARBOR, MICHIGAN, 48106
Covered Property
(1)
Filtration Membranes Made from Polyethersulfone/Phenoxy Resin Blend
Patent:
5,076,935 →
Application:
07/531,237 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Nov 1, 1991
From: GELMAN SCIENCES, INC., A CORP. OF MI
To: NBD BANK, N.A.
Reel/Frame 005897/0628 →
Collateral Assignment
Apr 27, 1993
From: GELMAN SCIENCES, INC. A MICHIGAN CORPORATION
To: NBD BANK, N.A.
Reel/Frame 006537/0374 →
Statement of Change-Security Interest
Mar 23, 1998
From: NBD BANK, N.A.
To: GELMAN SCIENCES, INC.
Reel/Frame 009052/0838 →
Assignment of Assignor's Interest
Mar 27, 1998
From: GELMAN SCIENCES, INC.
To: PALL CORPORATION
Reel/Frame 009146/0135 →