Patent Assignment
Reel/Frame 003844/0975
Assignment of Assignors Interest.
Recorded: 1981-02-19
Pages: 2
Assignee
AMERICAN OPTICAL CORPORATION
A CORP. OF DEL., SOUTHBRIDGE, MASSACHUSETTS
Covered Property
(1)
Method of a Single Element Complete Air Filtering Structure Fore a Respirator Filter Cartridge
Patent:
4,383,956 →
Application:
06/230,132 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Conditional Assignment
May 27, 1982
From: AO, INC. A DE CORP.
To: WARNER-LAMBERT TECHNOLOGIES, INC., A TX CORP.
Reel/Frame 004041/0934 →
Assignment of Assignors Interest.
May 27, 1982
From: AMERICAN OPTICAL CORPORATION
To: AO,INC. A CORP OF DE.
Reel/Frame 004056/0229 →
Assignment of Assignors Interest.
Nov 1, 1985
From: AO, INC., A DE. CORP.; WARNER-LAMBERT TECHNOLOGIES, INC., A TX CORP.; IRVING TRUST COMPANY, A NY CORP.
To: AMERICAN OPTICAL CORPORATION, A CORP. OF
Reel/Frame 004477/0409 →
Security Interest
Jul 13, 1988
From: AMERICAN OPTICAL CORPORATION; RADIAC ABRASIVES (EAST) INC.; RADIAC ABRASIVES (WEST) INC.
To: IRVING TRUST COMPANY
Reel/Frame 004918/0235 →
Notice of Grant of Security Interest
Feb 13, 2001
From: AMERICAN OPTICAL LENS COMPANY
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011523/0770 →
Release of Security Interest
Apr 23, 2001
From: BANK OF AMERICA, N.A.
To: AMERICAN OPTICAL LENS COMPANY
Reel/Frame 011731/0087 →