Patent Assignment
Reel/Frame 004817/0044
Assignment of Assignors Interest.
Recorded: 1987-11-13
Pages: 1
Assignors
PEMAWANSA, KARIYAWASAM P.W.
Executed: 1987-11-10
HEISLER, MARK
Executed: 1987-11-10
KRAUS, MENAHEM
Executed: 1987-11-10
Covered Property
(1)
Polyaldehyde Activated Membranes
Patent:
4,824,870 →
Application:
07/096,730 →
Related Assignments
(3)
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 →
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 →