Membership
Tour
Register
Log in
Wing Sum Vincent Kwan
Follow
Person
Chicago, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Capillary-action, glitter markers and ink compositions for same
Patent number
7,981,210
Issue date
Jul 19, 2011
Sanford, L.P.
Wing Sum Vincent Kwan
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Highlighting marking compositions, highlighting kits, and highlight...
Patent number
7,488,380
Issue date
Feb 10, 2009
Sanford, L.P.
Wing Sum Vincent Kwan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Combination hydrophobic/hydrophilic filters/reservoirs for controll...
Patent number
7,481,593
Issue date
Jan 27, 2009
Sanford, L.P.
Wing Sum Vincent Kwan
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Decoder system
Patent number
7,455,724
Issue date
Nov 25, 2008
Sanford, L.P.
Wing Sum Vincent Kwan
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Color changing correction fluid
Patent number
7,442,725
Issue date
Oct 28, 2008
Sanford, L.P.
Wing Sum Vincent Kwan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Capillary-action, glitter markers and ink compositions for same
Patent number
7,364,614
Issue date
Apr 29, 2008
Sanford, L.P.
Wing Sum Vincent Kwan
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Water-based, resin-free and solvent-free eradicable ball-pen inks
Patent number
7,163,575
Issue date
Jan 16, 2007
Sanford, L.P.
Wing Sum Vincent Kwan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Black eradicable ink, methods of eradication of the same, eradicabl...
Patent number
6,905,539
Issue date
Jun 14, 2005
Sanford L.P.
Sanjay Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Highlighting marking compositions, highlighting kits, and highlight...
Publication number
20070017413
Publication date
Jan 25, 2007
SANFORD, L.P.
Wing Sum Vincent Kwan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Non-toxic lava fluids for use in children's products
Publication number
20060105091
Publication date
May 18, 2006
SANFORD L.P.
Wing Sum Vincent Kwan
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Application
ERADICABLE GEL INK, METHODS OF ERADICATION OF THE SAME, ERADICABLE...
Publication number
20050011404
Publication date
Jan 20, 2005
Sanjay Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...