Inventor · disambiguated record
Helmut J. Ullrich
Also filed as: ULLRICH HELMUT · ULLRICH HELMUT J
4 granted patents·67 citations·filing 1982–2012
77Inventor score
Top patents by PatentIndex Score
4 records- 0177US8572940B2Mower with thumb wheel throttle controlSCHMIDT GORDON R·Filed 2012·Granted Nov 5, 2013·14 cites·7 claims
- 0269US4878340ATurf grooming reelTORO CO·Filed 1988·Granted Nov 7, 1989·31 cites·12 claims
- 0339US4467141ATelecommunication system with radio linePORTAPHONE AG·Filed 1982·Granted Aug 21, 1984·14 cites·4 claims
- 0432US5289879ASandtrap maintenance machine rake assemblyTORO CO·Filed 1992·Granted Mar 1, 1994·8 cites·8 claims
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