Growing community of inventors

Walpole, MA, United States of America

Charles F Samson

Average Co-Inventor Count = 2.57

ph-index = 3

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 = 54

Charles F SamsonEl-Sayed A Megahed (2 patents)Charles F SamsonDavid R Schaller (2 patents)Charles F SamsonTor H Petterson (1 patent)Charles F SamsonCharles F Samson (3 patents)El-Sayed A MegahedEl-Sayed A Megahed (14 patents)David R SchallerDavid R Schaller (11 patents)Tor H PettersonTor H Petterson (59 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rayovac Corporation (3 from 185 patents)


3 patents:

1. D315608 - Hand-held flashlight

2. 4783725 - Flashlight with space efficient reflector

3. 4760504 - Magnetically activated flashlight

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as of
12/16/2025
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