Growing community of inventors

Eastchester, NY, United States of America

John F Stoffel

Average Co-Inventor Count = 1.00

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 = 18

John F StoffelJohn F Stoffel (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stoffel Seals Corporation (2 from 18 patents)


2 patents:

1. 4375298 - Cinch type seal

2. 4358944 - Unitary key holder

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as of
1/4/2026
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