Patent Assignment
Reel/Frame 003996/0912
Assignment of Assignors Interest.
Recorded: 1982-06-03
Pages: 2
Assignor
EHRAT, KURT
Executed: 1982-05-07
Covered Properties
(2)
Method of Making Optical Elements Using Ultrasonic Vibration
Patent:
3,396,214 →
Application:
04/429,725 →
Data Carrier Card
Patent:
4,362,930 →
Application:
06/223,848 →
Related Assignments
(5)
Other recorded transfers of the patents 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 →
Security Interest
Jun 3, 1982
From: AO, INC., A DE CORP.
To: WARNER-LAMBERT TECHNOLOGIES, INC.; WARNER-LAMBERT CANADA, INC.
Reel/Frame 004073/0046 →
Assignment of Assignors Interest.
Aug 11, 1982
From: AO, INC.
To: IRVING TRUST COMPANY
Reel/Frame 004073/0675 →
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 →