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All Patents of Type: pipe making machines
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,092XMar. 18, 1834A. CoffmanMachine for making stone or earthen pipes (Pipes and tubes)pipe making machines
3,478,557Nov. 18, 1969A.F. TremblayTube Reducing Machinepipe making machines
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