Windsor, California
United States
7
2010-07-13
The entities that hold a legal rights for patent applications filed by inventor Higgins Patrick K.:
Patrick K. Higgins from Windsor, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods for forming security articles having diffractive surfaces and color shifting backgrounds
#2 | 2008-01-24Diffractive Surfaces With Color Shifting Backgrounds
#3 | 2007-12-20Security Device Having A Segmented Layer
#4 | 2007-08-09Optically Variable Security Devices
#5 | 2006-04-18Security articles having diffractive surfaces and color shifting backgrounds
#6 | 2006-02-28Security articles having diffractive surfaces and color shifting backgrounds
#7 | 2005-06-16Optically variable security devices
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