Growing community of inventors

Lexington, NC, United States of America

John D Davis

Average Co-Inventor Count = 3.00

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 = 26

John D DavisJess Britton Ferrill (1 patent)John D DavisRonald G Sergeant (1 patent)John D DavisRonald D Sizemore (1 patent)John D DavisWilliam B Chandler (1 patent)John D DavisJohn D Davis (2 patents)Jess Britton FerrillJess Britton Ferrill (16 patents)Ronald G SergeantRonald G Sergeant (9 patents)Ronald D SizemoreRonald D Sizemore (5 patents)William B ChandlerWilliam B Chandler (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amp LLC (2 from 2,775 patents)


2 patents:

1. 4307504 - Metal clamp applicator

2. 4238874 - Tooling with stepping motor drive

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as of
12/16/2025
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