Growing community of inventors

Cheyenne, WY, United States of America

James A Helzer

Average Co-Inventor Count = 1.67

ph-index = 4

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 = 81

James A HelzerDavid P Hanefeld (2 patents)James A HelzerMax A DeHerrera (2 patents)James A HelzerAlan I Green (1 patent)James A HelzerJulia J Souther (1 patent)James A HelzerVance P Mattison (1 patent)James A HelzerDwight Hayes (1 patent)James A HelzerMax A Deherrera (1 patent)James A HelzerJames A Helzer (5 patents)David P HanefeldDavid P Hanefeld (2 patents)Max A DeHerreraMax A DeHerrera (2 patents)Alan I GreenAlan I Green (16 patents)Julia J SoutherJulia J Souther (2 patents)Vance P MattisonVance P Mattison (2 patents)Dwight HayesDwight Hayes (1 patent)Max A DeherreraMax A Deherrera (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Unicover Corporation (4 from 8 patents)

2. Other (1 from 832,843 patents)


5 patents:

1. 7100761 - Rotatable coin display

2. 6394499 - Self-adhesive stamp construction

3. 5191972 - Storage and display device for coins and the like

4. 4364537 - Adjustable plate holder

5. D266461 - Adjustable plate holder

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as of
12/28/2025
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