Inventor · disambiguated record
Harald Helletsberger
Also filed as: HELLETSBERGER HARALD
4 granted patents·87 citations·filing 1979–1981
79Inventor score
Files withSWAROVSKI TYROLIT SCHLEIF4
Top patents by PatentIndex Score
4 records- 0171US4381188AGrinding diskSWAROVSKI TYROLIT SCHLEIF·Filed 1981·Granted Apr 26, 1983·31 cites·23 claims
- 0266US4259089AGrinding wheel containing grain-coated reinforcement fibers and method of making itSWAROVSKI TYROLIT SCHLEIF·Filed 1979·Granted Mar 31, 1981·21 cites·10 claims
- 0362US4278449AMethod for improving the quality of abrasive grainsSWAROVSKI TYROLIT SCHLEIF·Filed 1979·Granted Jul 14, 1981·22 cites·16 claims
- 0443US4338357AMethod of coating fibrous reinforcement materialSWAROVSKI TYROLIT SCHLEIF·Filed 1980·Granted Jul 6, 1982·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →