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USPTO Patent Rankings Data through Sept 30, 2025
DP

Dietmar Pfennig

Obergünzburg, DE: #1 of 2 inventorsTop 50%
Overall (2020): #490,017 of 565,922Top 90%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10759648 Cleaning liquid dosing system utilizing a weighted hollow piston to define a dosing volume 2020-09-01