Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Douglas Dean Purdy — 1 Patent

WEWanner Engineering: 1 patents #8 of 20Top 40%
Edina, MN: #600 of 909 inventorsTop 70%
Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,318,141 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D586722 Topper with ladder rack for vehicle Michelle J. Miller, Brian Paul Anderson, Troy Kenneth Witt 2009-02-17