Assignee
CONCRETE PIPE MACHINERY CO
3 granted patents·33 citations·filing 1973–1975
Top patents by PatentIndex Score
3 records- 0174US4023771AMeans for engaging, lifting and transporting concrete pipe moldsCONCRETE PIPE MACHINERY CO·Filed 1975·Granted May 17, 1977·24 cites·5 claims
- 0231US3938685AMeans for engaging, lifting and transporting concrete pipe moldsCONCRETE PIPE MACHINERY CO·Filed 1974·Granted Feb 17, 1976·5 cites·8 claims
- 0329US3945787ACap rest assembly for packerhead/vibration system concrete pipe machineCONCRETE PIPE MACHINERY CO·Filed 1973·Granted Mar 23, 1976·4 cites·18 claims
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