Growing community of inventors

Birdsboro, PA, United States of America

Charles E Zimmermann

Average Co-Inventor Count = 2.00

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

Charles E ZimmermannMichael D Strong (1 patent)Charles E ZimmermannCharles E Zimmermann (1 patent)Michael D StrongMichael D Strong (14 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Amp LLC (1 from 2,775 patents)


1 patent:

1. 4967654 - Print head setting apparatus

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as of
12/11/2025
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