Growing community of inventors

West Columbia, SC, United States of America

Charles Stanley Spears

Average Co-Inventor Count = 3.00

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 = 2

Charles Stanley Spears ↔ Brian Butler (1 patent)Charles Stanley Spears ↔ William Carlos Cain (1 patent)Charles Stanley SpearsCharles Stanley Spears (1 patent)Brian ButlerBrian Butler (16 patents)William Carlos CainWilliam Carlos Cain (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Apex Brands, Inc. (1 from 285 patents)


1 patent:

1. D1041282 - Power tool clutch adjustment tool

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as of
12/11/2025
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