Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Reexamination Certificate
2006-10-03
2006-10-03
Thomas, David B. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
C081S177200
Reexamination Certificate
active
07114418
ABSTRACT:
A faucet-seat tool with a substantially straight elongated shaft having multiple hex-shaped or square-shaped steps on one end of the shaft and having a head on the other end of the shaft which is adapted to receive an external wrench or ratchet socket wrench into a hole having a biased detent inside the head.
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patent: 6748828 (2004-06-01), Bollinger
patent: 6813978 (2004-11-01), Karpp
Morkunas Frank G.
Thomas David B.
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