Inventor · disambiguated record
Robert D. Hamman
Also filed as: HAMMAN ROBERT · HAMMAN ROBERT D · Hamman Robert David
19 granted patents·4 pending applications·111 citations·filing 2001–2025
93Inventor score
Top patents by PatentIndex Score
23 records- 0197US10755521B1Method 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 wagersSCA PROMOTIONS INC·Filed 2020·Granted Aug 25, 2020·11 cites·20 claims
- 0292US12424062B2Method and system for providing a double chance lottery game with a trifecta optionSCA PROMOTIONS·Filed 2024·Granted Sep 23, 2025·3 cites·12 claims
- 0391US10027487B2System and method for providing auditable secure seeds to random number generators across multiple entitiesSCA PROMOTIONS INC·Filed 2016·Granted Jul 17, 2018·5 cites·20 claims
- 0489US11049367B2System and method for instant win scratch off ticket game with ticket sales maximization using secondary gameSCA PROMOTIONS·Filed 2020·Granted Jun 29, 2021·3 cites·21 claims
- 0587US10191993B2Network based sweepstakes gaming system incorporating an alternative method of contestant entrySCA PROMOTIONS·Filed 2016·Granted Jan 29, 2019·12 cites·20 claims
- 0685US11961372B1System and method for producing non-redundant quick pick number groups for automated lottery ticket selectionSCA PROMOTIONS·Filed 2023·Granted Apr 16, 2024·1 cites·18 claims
- 0785US10009180B2System and method for generating auditable secure seeds from real-world dataSCA PROMOTIONS INC·Filed 2016·Granted Jun 26, 2018·5 cites·20 claims
- 0882US10636254B1System and method for instant win scratch off ticket game with ticket sales maximization using secondary gameSCA PROMOTIONS·Filed 2019·Granted Apr 28, 2020·4 cites·20 claims
- 0980US11100760B1System and method for generation and validation of multigame with bonus game using an electronic cardSCA PROMOTIONS·Filed 2021·Granted Aug 24, 2021·1 cites·19 claims
- 1080US10599072B2System and method for generating auditable secure seeds from real-world dataSCA PROMOTIONS INC·Filed 2018·Granted Mar 24, 2020·1 cites·23 claims
- 1176US12039834B2System and method for generation and validation of multigame printed tickets using multidimensional barcodesSCA PROMOTIONS·Filed 2020·Granted Jul 16, 2024·1 cites·25 claims
- 1276US10424152B1Method and apparatus for enabling variable wagering odds on a common drawing via assigned bins and modulo functionsSCA PROMOTIONS INC·Filed 2019·Granted Sep 24, 2019·2 cites·16 claims
- 1376US8870084B2Method and system for the generation and validation of personal identification numbersHAMMAN ROBERT D·Filed 2012·Granted Oct 28, 2014·6 cites·20 claims
- 1472US10565821B1Method and apparatus for enabling variable wagering odds using slot machine draw game wagering and a universal drawing result via assigned bins and modulo functionsSCA PROMOTIONS INC·Filed 2019·Granted Feb 18, 2020·1 cites·12 claims
- 1570US7892087B1Authentication of game resultsSCA PROMOTIONS INC·Filed 2002·Granted Feb 22, 2011·14 cites·9 claims
- 1670US7155014B1System and method for playing a lottery-type gameSCA PROMOTIONS INC·Filed 2001·Granted Dec 26, 2006·23 cites·35 claims
- 1768US8016662B1Game-winner selection based on verifiable event outcomesSCA PROMOTIONS INC·Filed 2002·Granted Sep 13, 2011·18 cites·24 claims
- 1854US2009018942A1System and method for online auctionSCA PROMOTIONS INC·Filed 2007·Application pending·0 cites
- 1951US12315347B2Method and system for producing N-tuple number sets for lottery submissionsSCA PROMOTIONS·Filed 2023·Granted May 27, 2025·0 cites·1 claims
- 2047US2007038553A1Full price protection method as a marketing toolMILLER JEFFREY A·Filed 2006·Application pending·0 cites
- 2145US12499735B2System and method for providing an enhanced keno game incorporating a bonus featureSCA PROMOTIONS·Filed 2025·Granted Dec 16, 2025·0 cites·7 claims
- 2244US2013288769A1System and method for providing a bonus game ancillary to a casino-style machine-based gameBRAIN GAMES L C·Filed 2013·Application pending·0 cites
- 2342US2011130190A1Authentication of Game ResultsHAMMAN ROBERT D·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →