IP Library Assignment 004067/0511
Patent Assignment
Reel/Frame 004067/0511

Assignment of Assignors Interest.

Recorded: 1982-11-08 Pages: 2
Assignors
MARYYANEK, RICHARD D.
Executed: 1982-11-01
ZDROK, JOSEPH Z.
Executed: 1982-11-01
Assignee
AMERICAN OPTICAL CORPORATION
SOUTHBRIDGE, MASSACHUSETTS
Covered Property (1)
Respirator
Patent: 270,957 →
Application: 06/439,948 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Assignment of Assignors Interest. Apr 11, 1990
From: AMERICAN OPTICAL CORPORATION
To: AO, INC., A DE CORP.
Reel/Frame 005274/0156 →
Assignment of Assignors Interest. Jul 11, 1990
From: AO, INC.
To: CABOT SAFETY CORPORATION
Reel/Frame 005535/0024 →
Released by Secured Party Jul 11, 1990
From: BANK OF NEW YORK, THE (FORMERLY KNOWN AS IRVING TRUST COMPANY)
To: AMERICAN OPTICAL CORPORATION; RADIAC ABRASIVES (EAST) INC.; RADIAC ABRASIVES (WEST) INC.
Reel/Frame 005535/0035 →
Security Interest Jul 26, 1995
From: CABOT SAFETY INTERMEDIATE CORPORATION
To: BANKERS TRUST COMPANY
Reel/Frame 007570/0516 →
Assignment of Assignor's Interest Jul 28, 1995
From: CABOT SAFETY CORPORATION
To: CABOT SAFETY INTERMEDIATE CORPORATION
Reel/Frame 007570/0220 →