Patent Assignment
Reel/Frame 003987/0159
Assignment of Assignors Interest.
Recorded: 1982-03-01
Pages: 2
Assignor
DAVIGNON, PAUL A.
Executed: 1982-02-10
Assignee
AMERICAN OPTICAL CORPORATION
SOUTHBRIDGE, MASSACHUSETTS
Covered Property
(1)
Liquid Dispenser
Patent:
4,449,477 →
Application:
06/349,102 →
Related Assignments
(5)
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 →
Assignment of Assignors Interest.
Feb 10, 1986
From: AMERICAN OPTICAL CORPORATION, A CORP OF DE.; AD, INC.
To: CIBA-U.S., CIBA-GEIGY CORPORATION
Reel/Frame 004510/0050 →
Assignment of Assignors Interest.
May 10, 1991
From: CIBA-GEIGY CORPORATION, A NY COMPANY
To: CIBA VISION CORPORATION A COMPANY OF DE
Reel/Frame 005699/0274 →