Growing community of inventors

San Diego, CA, United States of America

Franklin R Held

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 = 4

Franklin R HeldFranklin R Held (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ektelon (1 from 12 patents)


1 patent:

1. 4290604 - Racquetball racquet having a metal frame meshable with a throat piece

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as of
12/12/2025
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