Assignee
WIENHOLD JAMES L
US·9 granted patents·568 citations·filing 1988–2011
Top patents by PatentIndex Score
9 records- 0198US5013194AChuck assembly for tool bitsWIENHOLD JAMES L·Filed 1990·Granted May 7, 1991·218 cites·12 claims
- 0298US4900202AChuck assembly for tool bitsWIENHOLD JAMES L·Filed 1988·Granted Feb 13, 1990·156 cites·6 claims
- 0396US6966562B1Multiple mode chuckWIENHOLD JAMES L·Filed 2002·Granted Nov 22, 2005·64 cites·21 claims
- 0492US9873155B1Quick change tool bit holder for round shaftsWIENHOLD JAMES L·Filed 2010·Granted Jan 23, 2018·14 cites·18 claims
- 0590US7896355B2Dual size tool-bit holderWIENHOLD JAMES L·Filed 2005·Granted Mar 1, 2011·19 cites·17 claims
- 0689US7147409B2Drill countersink assemblyWIENHOLD JAMES L·Filed 2005·Granted Dec 12, 2006·21 cites·20 claims
- 0789US6260857B1Quick-change three-jaw drill chuckWIENHOLD JAMES L·Filed 2000·Granted Jul 17, 2001·59 cites·20 claims
- 0887US8292304B2Dual size tool-bit holderWIENHOLD JAMES L·Filed 2011·Granted Oct 23, 2012·8 cites·14 claims
- 0973US8636287B2Automatic tool-bit holderWIENHOLD JAMES L·Filed 2007·Granted Jan 28, 2014·9 cites·24 claims
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