Patent Assignment
Reel/Frame 004177/0020
Assignment of Assignors Interest.
Recorded: 1983-09-20
Pages: 1
Assignor
FREEMAN, MICHAEL H.
Executed: 1983-09-08
Assignee
PILKINGON P.E. LIMITED, A CORP. OF GB
PRESCOT ROAD,, ST. HELENS, MERSEYSIDE, ENGLAND, WA10 3TT, UNITED KINGDOM
Covered Property
(1)
Ophthalmic Lenses with Diffractive Power
Patent:
4,641,934 →
Application:
06/533,993 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 14, 1996
From: PILKINGTON PLC
To: PILKINGTON BARNES HIND, INC.
Reel/Frame 008077/0658 →
Change of Name
Aug 19, 1996
From: PILKINGTON BROTHERS P.L.C.
To: PILKINGTON PLC
Reel/Frame 008085/0475 →
Security Interest
Mar 13, 1997
From: PBH INC.
To: BANKERS TRUST COMPANY
Reel/Frame 008423/0903 →
Change of Name
Apr 5, 2000
From: PILKINGTON BARNES HIND, INC.
To: PBH, INC.
Reel/Frame 010719/0286 →
Release of a Security Interest
May 17, 2001
From: BANKERS TRUST COMPANY
To: PBH, INC.
Reel/Frame 011821/0602 →
Assignment of Assignor's Interest
Mar 31, 2003
From: PBH, INC.
To: NOVARTIS AG
Reel/Frame 013852/0405 →
Assignment of Assignor's Interest
Mar 31, 2003
From: WESLEY JESSEN CORPORATION
To: NOVARTIS AG
Reel/Frame 013852/0622 →