Inventor · disambiguated record
Erich Druffel
Also filed as: DRUFFEL ERICH
2 granted patents·5 citations·filing 1979–1986
43Inventor score
Technology areasD05B
Files withDUERKOPPWERKE2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →