Inventor · disambiguated record

Richard Ball Steward

Also filed as: STEWARD RICHARD B · STEWARD RICHARD BALL

1 granted patent·1 pending application·33 citations·filing 1993–2012

44Inventor score

Technology areasB63H H04M

Files withSTEWARD RICHARD B1 STEWARD RICHARD BALL1

Top patents by PatentIndex Score

2 records

0173US5286166AAutomatic centrifugal force variable pitch propellerSTEWARD RICHARD B·Filed 1993·Granted Feb 15, 1994·33 cites·3 claims
0228US2013036044A1Communication device for contacting a businessSTEWARD RICHARD BALL·Filed 2012·Application pending·0 cites

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