Inventor · disambiguated record
Robert A. Grogan
Also filed as: GROGAN ROBERT A
7 granted patents·1 pending application·183 citations·filing 1996–2003
88Inventor score
Top patents by PatentIndex Score
8 records- 0187US6428018B1ChuckPOWER TOOL HOLDERS INC·Filed 2000·Granted Aug 6, 2002·31 cites·27 claims
- 0283US6540236B2ChuckPOWER TOOL HOLDERS INC·Filed 2002·Granted Apr 1, 2003·22 cites·8 claims
- 0380US5820136AQuick release integrated collet and chuck devicePOWER TOOL HOLDERS INC·Filed 1996·Granted Oct 13, 1998·54 cites·20 claims
- 0474US6648342B2ChuckPOWER TOOL HOLDERS INC·Filed 2003·Granted Nov 18, 2003·14 cites·5 claims
- 0564US6675548B2Method and apparatus for texturizing tank wallsDYK INC·Filed 2001·Granted Jan 13, 2004·18 cites·31 claims
- 0662US6050741ATool clamping devicePOWER TOOL HOLDERS INC·Filed 1998·Granted Apr 18, 2000·29 cites·20 claims
- 0757US6402160B1Chuck with improved bearingPOWER TOOL HOLDERS INC·Filed 2000·Granted Jun 11, 2002·15 cites·29 claims
- 0834US2002163140A1ChuckFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →