Inventor
LESPERANCE JASON A
CA2 patents
Patents
2 patentsUS7386125B2Jun 10, 2008
Techniques of imperceptibly altering the spectrum of a displayed image in a manner that discourages copying
QDESIGN USA INC21 citations86
US7747015B2Jun 29, 2010
Techniques of imperceptibly altering the spectrum of a displayed image in a manner that discourages copying
QDESIGN USA INC3 citations57