Growing community of inventors

Tucson, AZ, United States of America

Darrel E Williamson

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 = 14

Darrel E Williamson ↔ Trever S Brown (1 patent)Darrel E WilliamsonDarrel E Williamson (1 patent)Trever S BrownTrever S Brown (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Jenn Feng Industrial Co., Ltd. (1 from 22 patents)


1 patent:

1. 6094823 - Method and apparatus for anchoring flails on a string trimmer

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as of
1/11/2026
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