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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BD

Brian Van Duzee — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
SOSoricon: 1 patents #4 of 22Top 20%
Boulder, CO: #1,865 of 5,018 inventorsTop 40%
Colorado: #13,288 of 40,980 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Brian Van Duzee has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1990 and the most recent in April 2008. Brian Van Duzee ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Brian Van Duzee in Boulder, CO, US.

Patents per Year

Patents granted per year, 1990 to 2008Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19902007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7351149 Multi-person parimutuel betting games based on determinate sporting events Burton Simon 2008-04-01
7172508 Multi-person parimutuel betting games based on sporting events Burton Simon 2007-02-06
4897880 Data acquisition control method and system for a hand held reader Scott A. Wilber, David Joffe, Mark Haas, Andrew D. Goldstein, Chris M. Wieland 1990-01-30