Inventor · disambiguated record
Wilhelm Pramstraller
Also filed as: PRAMSTRALLER WILHELM
2 granted patents·7 citations·filing 1979–1979
47Inventor score
Technology areasG03B
Top patents by PatentIndex Score
2 records- 0160US4227804AIlluminating apparatus with a light control channel for photographic enlarging equipment with a rotatable picture stage in the plane of the negative to be copiedDURST AG·Filed 1979·Granted Oct 14, 1980·7 cites·15 claims
- 0215USD260773SPhotographic enlarging apparatusDURST A G FABRIK FOTOTECHNISCHER APPARATE·Filed 1979·Granted Sep 15, 1981·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →