Growing community of inventors

Clark, NJ, United States of America

Carl S Frank

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 = 3

Carl S FrankRobert S Peets (1 patent)Carl S FrankJohn J Grzybowski (1 patent)Carl S FrankCarl S Frank (1 patent)Robert S PeetsRobert S Peets (9 patents)John J GrzybowskiJohn J Grzybowski (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Singer Company (1 from 1,246 patents)


1 patent:

1. 4103633 - Sewing machine track storage system

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as of
12/18/2025
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