Assignee
SERVCO CO
3 granted patents·119 citations·filing 1976–1976
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0190US4055226AUnderreamer having splined torque transmitting connection between telescoping portions for control of cutter positionSERVCO CO·Filed 1976·Granted Oct 25, 1977·79 cites·20 claims
- 0262US4091883AUnderreaming tool with overriding extended arm retainerSERVCO CO·Filed 1976·Granted May 30, 1978·23 cites·18 claims
- 0353US4064951AUnderreamer having cutter arm position indicationSERVCO CO·Filed 1976·Granted Dec 27, 1977·17 cites·7 claims
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