Patent Assignment
Reel/Frame 004971/0505
Assignment of Assignors Interest.
Recorded: 1988-11-01
Pages: 2
Assignor
DOSHI, PRAFUL
Executed: 1988-10-26
Assignee
PILKINGTON VISIONCARE HOLDINGS, INC.
A CORP. OF DE, MENLO PARK, CALIFORNIA
Covered Property
(1)
Method for Tinting Hydrophilic Plastic Articles
Patent:
4,898,695 →
Application:
07/265,523 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
May 17, 1996
From: PILKINGTON VISIONCARE HOLDINGS, INC.
To: PILKINGTON VISIONCARE, INC.
Reel/Frame 007936/0929 →
Assignment of Assignor's Interest
Jun 25, 1996
From: PILKINGTON VISIONCARE, INC.
To: PILKINGTON BARNES HIND, INC.
Reel/Frame 008006/0099 →
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 →