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2024
|
Invention
|
Authentication protocols that leverage physical unclonable functions. Authentication protocols th... |
|
2023
|
Invention
|
Diffractive structures within polymer substrates, their manufacture and use.
Disclosed are optic... |
|
|
P/S
|
|
|
|
P/S
|
Programmable, exchangeable digital currency; programmable, exchangeable digital currency wallet; ... |
|
2022
|
Invention
|
Dynamic micro-optic security devices, their production and use.
Disclosed are devices with dynam... |
|
|
Invention
|
Dynamic micro-optic security devices, their production and use. Disclosed are devices with dynami... |
|
2021
|
Invention
|
Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufac... |
|
|
Invention
|
Optical devices comprising microlenses and laser-fabricated patterns or other structures, their m... |
|
2020
|
Invention
|
Dynamic security device. A security device that exhibits at least one dynamic response upon chang... |
|
|
Invention
|
Security display devices, their production and use. Security documents often incorporate security... |
|
|
Invention
|
Diffractive structures within polymer substrates, their manufacture and use. Disclosed are optica... |
|
2015
|
Invention
|
Dynamic security device. A security device that elicits at least one dynamic response upon accele... |
|
|
Invention
|
Alignment and rotation of janus microparticles in response to acceleration. Gravitational Janus m... |
|
|
P/S
|
Goods Services |
|
|
P/S
|
Currency, bank notes Issuance and distribution of currency; issuance and distribution of bank not... |
|
2014
|
Invention
|
Optically variable devices, their production and use. Disclosed herein are devices that change th... |
|
|
Invention
|
Optically variable devices, their production and use.
Disclosed herein are devices that change t... |
|
2011
|
Invention
|
Authentication device for security documents. An optical based authentication device that is atta... |
|
2010
|
Invention
|
Clear magnetic intaglio printing ink. The invention discloses an ink for the engraved steel die p... |
|
2008
|
Invention
|
Ink or toner compositions, methods of use, and products derived therefrom. Magnetic ink and toner... |
|
1993
|
Invention
|
Thin film security device (tfsd) application process and adhesive therefor. An ultraviolet (UV) r... |
|
1992
|
Invention
|
Adhesive for thin film security device. An ultraviolet (UV) radiation curable pressure sensitive ... |
