Growing community of inventors

La Vista, NE, United States of America

James F Popelka

Average Co-Inventor Count = 1.00

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 = 10

James F PopelkaJames F Popelka (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fawn Engineering Corporation (1 from 32 patents)


1 patent:

1. 7565222 - Economical optical system to provide reasonable assurance of completed vend or vendible items from vending machines

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as of
12/21/2025
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