Inventor · disambiguated record
Robert E. Derby
Also filed as: DERBY ROBERT E
2 granted patents·6 pending applications·113 citations·filing 1998–2020
67Inventor score
Top patents by PatentIndex Score
8 records- 0186US6112414ARechargeable hair clipper assemblyANDIS CO·Filed 1998·Granted Sep 5, 2000·101 cites·21 claims
- 0262US6948248B2Hair trimmerANDIS CO·Filed 2002·Granted Sep 27, 2005·12 cites·20 claims
- 0351US2006011028A1Hair trimmerANDIS CO·Filed 2005·Application pending·0 cites
- 0450US2020384661A1Cordless Hair Cutter with Improved Energy StorageANDIS CO·Filed 2020·Application pending·0 cites
- 0549US2006162516A1Hair trimmerANDIS CO·Filed 2006·Application pending·0 cites
- 0649US2006174487A1Hair trimmerANDIS CO·Filed 2006·Application pending·0 cites
- 0745US2008250645A1Hair Clipper with Light SourceTRINGALI RICHARD J·Filed 2006·Application pending·0 cites
- 0845US2006059696A1Controller for hand-held electrical device for cutting hairANDIS CO·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →