Growing community of inventors

Warren, MI, United States of America

David A Perrin, Iii

Average Co-Inventor Count = 3.00

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 = 8

David A Perrin, Iii ↔ Roman S Ferber (2 patents)David A Perrin, Iii ↔ Sun Yu (2 patents)David A Perrin, IiiDavid A Perrin, Iii (2 patents)Roman S FerberRoman S Ferber (93 patents)Sun YuSun Yu (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Homedics, Inc. (1 from 49 patents)


2 patents:

1. D551305 - Audio toy

2. D513282 - Audio toy

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as of
12/17/2025
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