Growing community of inventors

Fountain Valley, CA, United States of America

Forrest W Clark

Average Co-Inventor Count = 1.50

ph-index = 4

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 = 148

Forrest W ClarkDavid G Donohoe (4 patents)Forrest W ClarkForrest W Clark (6 patents)David G DonohoeDavid G Donohoe (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cbs Corporation (6 from 133 patents)


6 patents:

1. D255463 - Receiver hardware for percussive musical instruments

2. 4185808 - Connector hardware for percussive instruments

3. D250222 - Receiver hardware for percussive musical instruments

4. D250221 - Receiver hardware for percussive musical instruments and accessories

5. D249820 - Musical drum beater

6. 3981220 - Snare drum with tone ring

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as of
12/4/2025
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