Inventor · disambiguated record

Clark S. Richmond

Also filed as: RICHMOND CLARK S

2 granted patents·156 citations·filing 1985–1986

69Inventor score

Technology areasA46B A47L

Files withNAT UNION ELECTRIC CORP2

Top patents by PatentIndex Score

2 records

0194US4665582ALightweight battery powered suction broomNAT UNION ELECTRIC CORP·Filed 1985·Granted May 19, 1987·129 cites·19 claims
0258US4777691AMotor driven brush assembly for vacuum cleanerNAT UNION ELECTRIC CORP·Filed 1986·Granted Oct 18, 1988·27 cites·6 claims

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