Growing community of inventors

San Marino, CA, United States of America

Charles W Stephens

Average Co-Inventor Count = 1.20

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 = 27

Charles W StephensRobert N Hanson (1 patent)Charles W StephensCharles W Stephens (3 patents)Robert N HansonRobert N Hanson (14 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (3 from 832,880 patents)


3 patents:

1. 5265897 - Skewer for automobile bicycle racks

2. 4972927 - Ball bearing caliper brake

3. 4650049 - Cycle hub convertible between coaster brake and freewheeling operation

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