Growing community of inventors

Downers Grove, IL, United States of America

Earl D Bush

Average Co-Inventor Count = 1.00

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 = 11

Earl D BushEarl D Bush (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Handy Button Machine Co. (2 from 20 patents)


2 patents:

1. 4700435 - Tack button

2. 4680915 - Tapered surface panel retainer

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as of
12/29/2025
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