Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David M. Brockman

Seattle, WA: #14,120 of 21,776 inventorsTop 65%
Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,985,293 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4706189 Special purpose peripheral circuit and method of connecting the same to a computer 1987-11-10