Spring Valley, New York
United States
12
2013-04-25
The entities that hold a legal rights for patent applications filed by inventor Epstein Michael:
Michael Epstein from Spring Valley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Temporal proximity to verify physical proximity
#2 | 2013-01-08Temporal proximity to verify physical proximity
#3 | 2009-01-01Temporal proximity to verify physical proximity
#4 | 2008-10-16Proximity detection method
#5 | 2008-07-08Using multiple watermarks to protect content material
#6 | 2007-11-27Method and apparatus for choosing a combination of logic for generating random numbers using a difference signal
#7 | 2006-10-24Data protection via reversible data damage
#8 | 2006-10-17Copy protection via multiple tests
#9 | 2006-02-28Varying segment sizes to increase security
#10 | 2005-09-13Method and apparatus for overcoming a watermark security system
#11 | 2005-03-08Method and apparatus for use of a watermark and a unique time dependent reference for the purpose of copy protection
#12 | 2005-01-25Indicator system for screening protected material
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