Inventor
CASTLE WILLIAM J
US3 patents
Patents
3 patentsUS6692819B1Feb 17, 2004
Method of transparentizing a cellulose substrate
STANDARD REGISTER CO19 citations90
US5814579ASep 29, 1998
Multicolor printing system
STANDARD REGISTER CO30 citations89
US5403040AApr 4, 1995
Optically variable and machine-readable device for use on security documents
STANDARD REGISTER CO26 citations89