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Hans H. Doyen

IG Ing. Alfred Schmidt Gmbh: 3 patents #1 of 10Top 10%
📍 Neustadt an der Weinstraße, DE: #9 of 36 inventorsTop 25%
Overall (All Time): #1,669,379 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4796327 Apparatus for picking up dog excrement 1989-01-10
4631910 Mower, especially for grass at airports Edgar Huhn 1986-12-30
4632200 Drive system on a carrier vehicle for various implements attached on the front or rear Edgar Huhn 1986-12-30