Growing community of inventors

Santa Cruz, CA, United States of America

David H Roots

Average Co-Inventor Count = 3.00

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 = 54

David H Roots ↔ Terrell A Oyama (3 patents)David H Roots ↔ Jerrold C Manock (3 patents)David H RootsDavid H Roots (3 patents)Terrell A OyamaTerrell A Oyama (9 patents)Jerrold C ManockJerrold C Manock (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Apple Inc. (3 from 40,864 patents)


3 patents:

1. D290257 - Disk drive case

2. D286050 - Disk drive housing

3. D286047 - Keypad

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as of
12/14/2025
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