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Robert E. Renton
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Boston, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Security device using liquid crystals
Patent number
9,279,084
Issue date
Mar 8, 2016
Opsec Security Group, Inc.
Paul Dunn
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Optically variable device with diffraction-based micro-optics, meth...
Patent number
9,234,992
Issue date
Jan 12, 2016
Opsec Security Group, Inc.
Dean R. Hill
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Optically variable devices, security device and article employing s...
Patent number
9,025,251
Issue date
May 5, 2015
Opsec Security Group, Inc.
Paul Dunn
G07 - CHECKING-DEVICES
Information
Patent Grant
Optically variable device with diffraction-based micro-optics, meth...
Patent number
8,488,242
Issue date
Jul 16, 2013
Opsec Security Group, Inc.
Dean R. Hill
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Patents Applications
last 30 patents
Information
Patent Application
SECURITY DEVICES AND METHODS OF PRODUCING THEM
Publication number
20240149604
Publication date
May 9, 2024
OPSEC SECURITY LIMITED
Andrew ROWE
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
METHOD OF CREATING A SURFACE PLASMON RESONANCE
Publication number
20240085592
Publication date
Mar 14, 2024
OPSEC SECURITY GROUP, INC.
Garry William MUDD
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SECURITY DEVICE USING LIQUID CRYSTALS
Publication number
20140264168
Publication date
Sep 18, 2014
OpSec Security Group, Inc.
PAUL DUNN
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
OPTICALLY VARIABLE DEVICE WITH DIFFRACTION-BASED MICRO-OPTICS, METH...
Publication number
20130266722
Publication date
Oct 10, 2013
OpSec Security Group, Inc.
DEAN R. HILL
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
OPTICALLY VARIABLE DEVICES, SECURITY DEVICE AND ARTICLE EMPLOYING S...
Publication number
20110317271
Publication date
Dec 29, 2011
OPSEC SECURITY GROUP, INC.
Paul Dunn
G07 - CHECKING-DEVICES
Information
Patent Application
OPTICALLY VARIABLE DEVICE WITH DIFFRACTION-BASED MICRO-OPTICS, METH...
Publication number
20070291362
Publication date
Dec 20, 2007
Applied Opsec, Inc.
Dean R. Hill
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER