Growing community of inventors

San Diego, CA, United States of America

Richard Worrall

Average Co-Inventor Count = 2.00

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 = 53

Richard WorrallRobert William Sharp (3 patents)Richard WorrallWilliam A Rearick (2 patents)Richard WorrallRichard Worrall (5 patents)Robert William SharpRobert William Sharp (4 patents)William A RearickWilliam A Rearick (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,812 patents)

2. Terra Knights Music, Inc. (1 from 1 patent)


5 patents:

1. 8813409 - Remote contrivance refurbishment apparatus and related methods

2. 8458948 - Remote contrivance refurbishment apparatus and related methods

3. 7518057 - Method of automated musical instrument finger finding

4. 7345236 - Method of automated musical instrument finger finding

5. 7238876 - Method of automated musical instrument finger finding

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as of
12/19/2025
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