Inventor · disambiguated record
Siegfrid Drewes
Also filed as: DREWES SIEGFRID
1 granted patent·4 citations·filing 1985–1985
25Inventor score
Technology areasA61P
Files withROECAR HOLDINGS NV1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →