Inventor · disambiguated record
Franz Spiesberger
Also filed as: SPIESBERGER FRANZ
5 granted patents·120 citations·filing 1989–2009
81Inventor score
Top patents by PatentIndex Score
5 records- 0167US4896616ASeed planterWINTERSTEIGER JOHANN·Filed 1989·Granted Jan 30, 1990·54 cites·6 claims
- 0266US8297210B2Individual-grain seeding machineSPIESBERGER FRANZ·Filed 2009·Granted Oct 30, 2012·12 cites·3 claims
- 0366US5795223AScreen device for a harvester-thresher, in particular a harvester-thresher for a test fieldWINTERSTEIGER GMBH & CO·Filed 1995·Granted Aug 18, 1998·47 cites·6 claims
- 0448US6435114B1Machine for sowing individual seed grainsWINTERSTEIGER GMBH & CO·Filed 2000·Granted Aug 20, 2002·5 cites·5 claims
- 0535US7614353B2Sowing deviceWINTERSTEIGER AG·Filed 2008·Granted Nov 10, 2009·2 cites·4 claims
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