Growing community of inventors

Fitchburg, MA, United States of America

Fredrick P Donth

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 = 16

Fredrick P DonthJeremiah Collins (2 patents)Fredrick P DonthJames B Hills (2 patents)Fredrick P DonthFredrick P Donth (2 patents)Jeremiah CollinsJeremiah Collins (4 patents)James B HillsJames B Hills (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dt Industries, Inc. (2 from 2 patents)


2 patents:

1. 6651842 - Article dispensing machine and method

2. 6422418 - Article dispensing machine and method

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as of
12/21/2025
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