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USPTO Patent Rankings Data through Dec 31, 2025
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David H. Roots — 3 Patents

Apple: 3 patents #7,530 of 18,612Top 45%
Santa Cruz, CA: #801 of 1,911 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David H. Roots has been granted 3 US patents while listed as an inventor at Apple. The first was granted in 1986 and the most recent in June 1987. David H. Roots ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David H. Roots in Santa Cruz, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D290257 Disk drive case Jerrold C. Manock, Terrell A. Oyama 1987-06-09
D286047 Keypad Jerrold C. Manock, Terrell A. Oyama 1986-10-07
D286050 Disk drive housing Terrell A. Oyama, Jerrold C. Manock 1986-10-07