Patent Assignment
Reel/Frame 004203/0389
Assignment of Assignors Interest.
Recorded: 1983-11-23
Pages: 2
Assignor
ECHOLS, MARVIN
Executed: 1983-11-23
Covered Property
(1)
Inside Diameter Tube Cleaning System, Tube Cleaners, and Method
Patent:
4,569,097 →
Application:
06/554,765 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 2, 1995
From: SUPERIOR I.D. TUBE CLEANERS, INC.
To: BETZ LABORATORIES, INC.
Reel/Frame 007648/0078 →
Change of Name
Feb 7, 1997
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008342/0013 →
Notice of Grant of Security Interest
Jan 5, 2001
From: HERCULES INCORPORATED, A DELAWARE COPORATION; HRECULES CREDIT, INC., A DELAWARE CORPORATION; HECULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0554 →
Release of Security Interest
Dec 31, 2002
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013599/0543 →