Growing community of inventors

Johnstown, CO, United States of America

David Ronald Kingham

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 209

David Ronald KinghamMark Daniel Jackson (2 patents)David Ronald KinghamMichael G Martinek (2 patents)David Ronald KinghamTimothy S Wasinger (2 patents)David Ronald KinghamMark L Yoseloff (1 patent)David Ronald KinghamDavid Ronald Kingham (2 patents)Mark Daniel JacksonMark Daniel Jackson (21 patents)Michael G MartinekMichael G Martinek (11 patents)Timothy S WasingerTimothy S Wasinger (3 patents)Mark L YoseloffMark L Yoseloff (67 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Igt (2 from 4,372 patents)


2 patents:

1. 6935946 - Video gaming apparatus for wagering with universal computerized controller and I/O interface for unique architecture

2. 6866581 - Video gaming apparatus for wagering with universal computerized controller and I/O interface for unique architecture

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as of
1/10/2026
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