Patent Assignment
Reel/Frame 005234/0998
Assignment of Assignors Interest.
Recorded: 1990-03-05
Pages: 1
Assignor
FREEMAN, MICHAEL H.
Executed: 1989-12-03
Assignee
PILKINGTON VISIONCARE HOLDINGS INC.
2420 SAND HILL ROAD, STE. 200, A CORP. OF DE, MENLO PARK, CALIFORNIA, 94025
Covered Property
(1)
Diffractive Ophthalmic Lens for Correcting Astigmatism
Patent:
5,100,226 →
Application:
07/452,630 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 24, 1995
From: PILKINGTON VISIONCARE HOLDINGS, INC.
To: PILKINGTON VISIONCARE, INC.
Reel/Frame 007690/0901 →
Assignment of Assignor's Interest
Jun 25, 1996
From: PILKINGTON VISIONCARE, INC.
To: PILKINGTON BARNES HIND, INC.
Reel/Frame 008000/0796 →
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 →