Dallas, Texas
United States
15
2025-10-16
The entities that hold a legal rights for patent applications filed by inventor Hamman Robert D.:
Robert D. Hamman from Dallas, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and Method for Providing an Enhanced Keno Game Incorporating a Bonus Feature
#2 | 2025-04-17Novel Method and System for Providing a Double Chance Lottery Game with a Trifecta Option
#3 | 2023-08-24System and method for generation and validation of multigame printed tickets using multidimensional barcodes
#4 | 2020-09-17System and method for instant win scratch off ticket game with ticket sales maximization using secondary game
#5 | 2020-08-25Method 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
#6 | 2020-04-28System and method for instant win scratch off ticket game with ticket sales maximization using secondary game
#7 | 2020-02-18Method and apparatus for enabling variable wagering odds using slot machine draw game wagering and a universal drawing result via assigned bins and modulo functions
#8 | 2019-09-24Method and apparatus for enabling variable wagering odds on a common drawing via assigned bins and modulo functions
#9 | 2017-12-07Network based sweepstakes gaming system incorporating an alternative method of contestant entry
#10 | 2013-03-14Method and system for the generation and validation of personal identification numbers
#11 | 2011-09-13Game-winner selection based on verifiable event outcomes
#12 | 2011-06-02Authentication of Game Results
#13 | 2011-02-22Authentication of game results
#14 | 2007-02-15FULL PRICE PROTECTION METHOD AS A MARKETING TOOL
#15 | 2006-12-26System and method for playing a lottery-type game
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