Patent Assignment
Reel/Frame 004128/0946
Assignment of Assignors Interest.
Recorded: 1983-05-11
Pages: 2
Assignee
AMERICAN OPTICAL CORPORATION
14 MECHANIC ST., A CORP. OF DE, SOUTHBRIDGE, MASSACHUSETTS
Covered Property
(1)
Dual Filter Respirator
Patent:
286,213 →
Application:
06/493,649 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
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 →