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

Mark Doudlah — 2 Patents

Evansville, WI: #13 of 28 inventorsTop 50%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mark Doudlah has been granted 2 US patents. All of these patents were granted in 2010. Mark Doudlah ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mark Doudlah in Evansville, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7811028 Hooded check tube Mary de la Rosa, William T. Graham, William N. Isermann, Robert A. Walker, Paul Collins +1 more 2010-10-12
7811029 Woven soil stabilization system William T. Graham, William N. Isermann, Jay Settersten, Robert A. Walker, Paul Collins 2010-10-12