Growing community of inventors

Salisbury, United Kingdom

Mark Smithson

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 = 6

Mark SmithsonBrian E Davis (1 patent)Mark SmithsonGary M Dunn (1 patent)Mark SmithsonMark Smithson (1 patent)Brian E DavisBrian E Davis (3 patents)Gary M DunnGary M Dunn (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Avon Rubber & Plastics, Inc. (1 from 1 patent)


1 patent:

1. 6763830 - Respirator with hinged visor

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as of
12/31/2025
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