Growing community of inventors

Lexington, OH, United States of America

Richard D Spree

Average Co-Inventor Count = 2.00

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 = 5

Richard D Spree ↔ James E Price (1 patent)Richard D SpreeRichard D Spree (1 patent)James E PriceJames E Price (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)


1 patent:

1. 7086530 - Safety holders for fireworks

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12/31/2025
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