Assignee
MARTIN CONCRETE ENG CO
3 granted patents·34 citations·filing 1977–1979
Top patents by PatentIndex Score
3 records- 0165US4255104ASystem for casting and handling concrete railroad tiesMARTIN CONCRETE ENG CO·Filed 1979·Granted Mar 10, 1981·16 cites·11 claims
- 0257US4253817AConcrete railroad tie casting and handling systemMARTIN CONCRETE ENG CO·Filed 1978·Granted Mar 3, 1981·14 cites·2 claims
- 0331US4088112AAutomatic rib breakerMARTIN CONCRETE ENG CO·Filed 1977·Granted May 9, 1978·4 cites·4 claims
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