Inventor
HAMMAN ROBERT D
US14 patents
⚠️ This page may combine multiple inventors who share the name “HAMMAN ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCA PROMOTIONS
7 patentsUS10191993B2Jan 29, 2019
Network based sweepstakes gaming system incorporating an alternative method of contestant entry
SCA PROMOTIONS12 citations76
US12424062B2Sep 23, 2025
Method and system for providing a double chance lottery game with a trifecta option
SCA PROMOTIONS3 citations73
US11049367B2Jun 29, 2021
System and method for instant win scratch off ticket game with ticket sales maximization using secondary game
SCA PROMOTIONS3 citations72
US10636254B1Apr 28, 2020
System and method for instant win scratch off ticket game with ticket sales maximization using secondary game
SCA PROMOTIONS4 citations72
US12039834B2Jul 16, 2024
System and method for generation and validation of multigame printed tickets using multidimensional barcodes
SCA PROMOTIONS1 citations61
US11100760B1Aug 24, 2021
System and method for generation and validation of multigame with bonus game using an electronic card
SCA PROMOTIONS1 citations61
US12499735B2Dec 16, 2025
System and method for providing an enhanced keno game incorporating a bonus feature
SCA PROMOTIONS0 citations50
SCA PROMOTIONS INC
6 patentsUS7155014B1Dec 26, 2006
System and method for playing a lottery-type game
SCA PROMOTIONS INC23 citations87
US10755521B1Aug 25, 2020
Method and system for enabling variable wagers on a common drawing via assigned bins while using a single draw game ticket for making a plurality of wagers
SCA PROMOTIONS INC11 citations85
US8016662B1Sep 13, 2011
Game-winner selection based on verifiable event outcomes
SCA PROMOTIONS INC18 citations83
US7892087B1Feb 22, 2011
Authentication of game results
SCA PROMOTIONS INC14 citations83
US10424152B1Sep 24, 2019
Method and apparatus for enabling variable wagering odds on a common drawing via assigned bins and modulo functions
SCA PROMOTIONS INC2 citations72
US10565821B1Feb 18, 2020
Method and apparatus for enabling variable wagering odds using slot machine draw game wagering and a universal drawing result via assigned bins and modulo functions
SCA PROMOTIONS INC1 citations62