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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Watson — 1 Patent in 2021

AGAqseptence Group: 1 patents #5 of 14Top 40%
Sturbridge, MA: #7 of 17 inventorsTop 45%
Massachusetts: #4,998 of 14,123 inventorsTop 40%
Overall (2021): #339,268 of 548,734Top 65%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11058973 Underdrain assembly Michael Ekholm, Richard C. Maxson, Fabrice Jean Alphonse Courageot 2021-07-13