Assignee
SALEM TOOL CO
7 granted patents·133 citations·filing 1974–1986
Top patents by PatentIndex Score
7 records- 0174US4258796AEarth drilling apparatusSALEM TOOL CO·Filed 1978·Granted Mar 31, 1981·54 cites·25 claims
- 0268US4021126ALatch mechanism for auger string couplingsSALEM TOOL CO·Filed 1975·Granted May 3, 1977·35 cites·11 claims
- 0347US4264106AAuger mining machineSALEM TOOL CO·Filed 1979·Granted Apr 28, 1981·6 cites·19 claims
- 0442US4732224AAuger apparatusSALEM TOOL CO·Filed 1986·Granted Mar 22, 1988·16 cites·11 claims
- 0540US3983949AAuger section positioning meansSALEM TOOL CO·Filed 1975·Granted Oct 5, 1976·11 cites·21 claims
- 0634US3967909ALatching and latch releasing mechanism for auger string couplingsSALEM TOOL CO·Filed 1974·Granted Jul 6, 1976·8 cites·12 claims
- 0728US3972375AAuger drive with auxiliary powertrain boxesSALEM TOOL CO·Filed 1975·Granted Aug 3, 1976·3 cites·5 claims
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