Inventor · disambiguated record
Siegfried Keil
Also filed as: KEIL SIEGFRIED
4 granted patents·172 citations·filing 1998–2007
81Inventor score
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4 records- 0194USD443896SWriting instrumentMERZ & KRELL·Filed 1999·Granted Jun 19, 2001·67 cites·1 claims
- 0291USD485574SWriting utensilMERZ & KRELL GMBH & CO KGAA·Filed 2000·Granted Jan 20, 2004·63 cites·1 claims
- 0387USD437888SWriting instrumentMERZ & KRELL·Filed 1998·Granted Feb 20, 2001·31 cites·1 claims
- 0460USD567288SWriting instrumentMERZ & KRELL GMBH & CO KGAA·Filed 2007·Granted Apr 22, 2008·11 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →