Growing community of inventors

Mt. Carmel, IL, United States of America

Marshall G Letson

Average Co-Inventor Count = 1.00

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 = 35

Marshall G LetsonMarshall G Letson (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. Snap-on Technologies, Inc. (1 from 227 patents)

3. Snap-on Tools Corporation (1 from 157 patents)


3 patents:

1. RE36400 - Pair of handles for a pliers

2. 5347746 - Fishing tackle box including accessory holders

3. D343999 - Pliers

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as of
12/31/2025
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