Growing community of inventors

San Luis Obispo, CA, United States of America

Roger W Schaefer

Average Co-Inventor Count = 1.64

ph-index = 3

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 = 69

Roger W SchaeferMichael Capanna (2 patents)Roger W SchaeferJames D Scott (1 patent)Roger W SchaeferRoger W Schaefer (3 patents)Michael CapannaMichael Capanna (2 patents)James D ScottJames D Scott (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Centurion Safety Products, Inc. (3 from 4 patents)


3 patents:

1. D433563 - Belt clip

2. 5699943 - Belt-mounted flashlight holder

3. 4415954 - Grip shield

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as of
9/13/2025
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