Patent Assignment
Reel/Frame 004185/0987
Assignment of Assignors Interest.
Recorded: 1983-10-19
Pages: 1
Assignor
FREEMAN, MICHAEL H.
Executed: 1983-10-10
Assignee
PILKINGTON P.E. LIMITED, A CORP. OF GREAT BRITAIN
PRESCOT ROAD, ST. HELENS, MERSEYSIDE, ENGLAND, WA10 3TT, UNITED KINGDOM
Covered Property
(1)
Multifocal Contact Lenses Utilizing Diffraction and Refraction
Patent:
4,637,697 →
Application:
06/543,257 →
Related Assignments
(6)
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 008085/0024 →
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 →