Growing community of inventors

Middletown, OH, United States of America

Donald W Richter

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 = 29

Donald W RichterMulford Martin, Jr (1 patent)Donald W RichterDonald W Richter (1 patent)Mulford Martin, JrMulford Martin, Jr (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Armco Steel Corporation (1 from 80 patents)


1 patent:

1. 4143498 - Concealed fastener clip for building panels

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as of
12/15/2025
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