Growing community of inventors

White Plains, NY, United States of America

Evan R Walker

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 1

Evan R WalkerJay S Walker (2 patents)Evan R WalkerMichael W Patterson (2 patents)Evan R WalkerMatthew P Ellenthal (2 patents)Evan R WalkerEvan R Walker (2 patents)Jay S WalkerJay S Walker (988 patents)Michael W PattersonMichael W Patterson (21 patents)Matthew P EllenthalMatthew P Ellenthal (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Walker Digital, LLC (1 from 532 patents)

2. Inventor Holdings, LLC (1 from 42 patents)


2 patents:

1. 9092945 - Systems and methods for operating lottery games including player-designated beneficiaries and conditional payout distribution

2. 8591307 - Systems and methods for operating lottery games including player-designated beneficiaries and conditional payout distribution

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12/13/2025
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