Growing community of inventors

Dallas, TX, United States of America

Robert David Hamman

Average Co-Inventor Count = 2.55

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 75

Robert David HammanJay Bruce Ross (10 patents)Robert David HammanKenneth Earl Irwin, Jr (8 patents)Robert David HammanWilliam C Kennedy, Iii (7 patents)Robert David HammanKenneth R Westerlage (3 patents)Robert David HammanWilliam John Rump (3 patents)Robert David HammanRobert S McKee (1 patent)Robert David HammanAnthony James Ebert (1 patent)Robert David HammanWilliam Carey Kennedy (1 patent)Robert David HammanRobert David Hamman (19 patents)Jay Bruce RossJay Bruce Ross (17 patents)Kenneth Earl Irwin, JrKenneth Earl Irwin, Jr (104 patents)William C Kennedy, IiiWilliam C Kennedy, Iii (32 patents)Kenneth R WesterlageKenneth R Westerlage (24 patents)William John RumpWilliam John Rump (3 patents)Robert S McKeeRobert S McKee (5 patents)Anthony James EbertAnthony James Ebert (1 patent)William Carey KennedyWilliam Carey Kennedy (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sca Promotions, Inc. (19 from 19 patents)


19 patents:

1. 12499735 - System and method for providing an enhanced keno game incorporating a bonus feature

2. 12424062 - Method and system for providing a double chance lottery game with a trifecta option

3. 12315347 - Method and system for producing N-tuple number sets for lottery submissions

4. 12039834 - System and method for generation and validation of multigame printed tickets using multidimensional barcodes

5. 11961372 - System and method for producing non-redundant quick pick number groups for automated lottery ticket selection

6. 11100760 - System and method for generation and validation of multigame with bonus game using an electronic card

7. 11049367 - System and method for instant win scratch off ticket game with ticket sales maximization using secondary game

8. 10755521 - 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

9. 10636254 - System and method for instant win scratch off ticket game with ticket sales maximization using secondary game

10. 10599072 - System and method for generating auditable secure seeds from real-world data

11. 10565821 - 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

12. 10424152 - Method and apparatus for enabling variable wagering odds on a common drawing via assigned bins and modulo functions

13. 10191993 - Network based sweepstakes gaming system incorporating an alternative method of contestant entry

14. 10027487 - System and method for providing auditable secure seeds to random number generators across multiple entities

15. 10009180 - System and method for generating auditable secure seeds from real-world data

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as of
12/29/2025
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