Assignee
HALE C DAVID
2 granted patents·1 pending application·48 citations·filing 2003–2009
Top patents by PatentIndex Score
3 records- 0183US8615837B2Motorized drain cleaning machine with speed controllerHALE C DAVID·Filed 2009·Granted Dec 31, 2013·24 cites·19 claims
- 0282US7222383B2Torque limiting drive pulley for a belt driven drain cleaning machineHALE C DAVID·Filed 2003·Granted May 29, 2007·24 cites·10 claims
- 0361US2009208282A1Connector for Pipe Cleaning ApparatusHALE C DAVID·Filed 2009·Application pending·0 cites
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