Growing community of inventors

La Habra, CA, United States of America

Debra S Stone

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 9

Debra S Stone ↔ Gary Lee Hahn (1 patent)Debra S StoneDebra S Stone (1 patent)Gary Lee HahnGary Lee Hahn (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

1 patent:

1. D310090 - Combined guitar and keyboard

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as of
12/14/2025
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