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Inventor
GOUGEON FRANCOIS
CA
5 patents
⚠️ This page may combine multiple inventors who share the name “GOUGEON FRANCOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAND HELD PROD INC
2 patents
US6752319B2
Jun 22, 2004
Lottery game tickets and methods for making same
HAND HELD PROD INC
191 citations
98
US6419157B1
Jul 16, 2002
Methods for processing security documents
HAND HELD PROD INC
168 citations
98
WELCH ALLYN DATA COLLECTION
1 patent
US6186404B1
Feb 13, 2001
Security document voiding system
WELCH ALLYN DATA COLLECTION
170 citations
98
EHRHART MICHAEL A
1 patent
US7303134B2
Dec 4, 2007
Lottery game tickets and methods for making same
EHRHART MICHAEL A
14 citations
91
OBERTHUR GAMING TECH INC
1 patent
US6076860A
Jun 20, 2000
Scratch-off lottery game with dual transparent layers
OBERTHUR GAMING TECH INC
33 citations
88