Growing community of inventors

Carson City, NV, United States of America

Don C Stephan

Average Co-Inventor Count = 2.13

ph-index = 12

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 = 2,782

Don C StephanChauncey Warner Griswold (7 patents)Don C StephanRobert A Luciano, Jr (6 patents)Don C StephanJoseph Randolph Hedrick (6 patents)Don C StephanJean Pierre Legras (5 patents)Don C StephanJean M Brossard (3 patents)Don C StephanAnthony J Baerlocher (2 patents)Don C StephanCraig A Paulsen (2 patents)Don C StephanDavid W Loar (1 patent)Don C StephanRoy E Adams (1 patent)Don C StephanDon C Stephan (14 patents)Chauncey Warner GriswoldChauncey Warner Griswold (67 patents)Robert A Luciano, JrRobert A Luciano, Jr (238 patents)Joseph Randolph HedrickJoseph Randolph Hedrick (125 patents)Jean Pierre LegrasJean Pierre Legras (49 patents)Jean M BrossardJean M Brossard (10 patents)Anthony J BaerlocherAnthony J Baerlocher (663 patents)Craig A PaulsenCraig A Paulsen (108 patents)David W LoarDavid W Loar (5 patents)Roy E AdamsRoy E Adams (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Game Technology (7 from 86 patents)

2. Igt (3 from 4,356 patents)

3. Konami Gaming, Inc. (2 from 320 patents)

4. Innovative Gaming Corporation of America (1 from 11 patents)

5. Konami Gami Gaming, Inc. (1 from 1 patent)


14 patents:

1. RE44295 - Gaming machine having secondary display for providing video content

2. 8376831 - Gaming machine having secondary display for providing video content

3. 6835133 - Slot-table game apparatus and method of playing slot-table game

4. D481078 - Multi-panel video display unit gaming device

5. D463504 - Winged game machine cabinet

6. D463503 - Winged game machine cabinet

7. 6435970 - Slot table game apparatus and method of playing slot-table game

8. D458971 - Winged game machine cabinet

9. 6368216 - Gaming machine having secondary display for providing video content

10. 6135884 - Gaming machine having secondary display for providing video content

11. D406615 - Reel cover for slot machine

12. D404084 - Illuminated reel cover for slot machine

13. D400597 - Multi-level slot machine

14. 5803453 - Gaming machine light handle and associated circuitry

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as of
12/10/2025
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