Growing community of inventors

Alameda, CA, United States of America

Mel Waldorf

Average Co-Inventor Count = 1.50

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 = 13

Mel WaldorfChristopher John Sanzo (2 patents)Mel WaldorfMel Waldorf (3 patents)Christopher John SanzoChristopher John Sanzo (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 833,002 patents)

2. Bluesky Marketing Group, Inc. (1 from 1 patent)


3 patents:

1. 9697808 - Stringed musical instrument with rotating neck

2. 9224370 - Stringed musical instrument with rotating neck

3. 8489447 - Adjusting price for a sales lead in an online market for sales leads

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as of
1/20/2026
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