Inventor · disambiguated record
Charles H. Etheridge
Also filed as: ETHERIDGE CHARLES H · ETHERIDGE JR CHARLES H
3 granted patents·229 citations·filing 1992–1996
77Inventor score
Files withMINE SAFETY APPLIANCES CO2
Top patents by PatentIndex Score
3 records- 0191US6092992ASystem and method for pump control and fault detectionFiled 1996·Granted Jul 25, 2000·128 cites·20 claims
- 0287US5295790AFlow-controlled sampling pump apparatusMINE SAFETY APPLIANCES CO·Filed 1992·Granted Mar 22, 1994·88 cites·16 claims
- 0345US5370004AMultiple port personal air sampling apparatusMINE SAFETY APPLIANCES CO·Filed 1993·Granted Dec 6, 1994·13 cites·19 claims
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