Inventor
SILVERSCHOTZ STANFORD B
US4 patents
Patents
4 patentsUS5137304AAug 11, 1992
End and encoded mass distributable response piece and method of making the same
WEBCRAFT TECHNOLOGIES INC67 citations94
US5869148AFeb 9, 1999
Process for the in-line, high speed manufacturing of magnetic products
WEBCRAFT TECHNOLOGIES INC58 citations92
US5560608AOct 1, 1996
Scratch-off game card including ink for making markings thereon and method of making the same
WEBCRAFT TECHNOLOGIES INC48 citations89
US5542710AAug 6, 1996
Recyclable instant scratch off lottery ticket
WEBCRAFT TECHNOLOGIES INC50 citations88