Growing community of inventors

Tempe, AZ, United States of America

Frederick A Major

Average Co-Inventor Count = 1.33

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 = 21

Frederick A MajorPaul A Knapp (1 patent)Frederick A MajorFrederick A Major (2 patents)Paul A KnappPaul A Knapp (8 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,718 patents)


2 patents:

1. 4415242 - Camera lens cover and sunshade apparatus

2. 4372068 - Rechargeable transparent slide viewer apparatus

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as of
12/15/2025
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