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All Patents of Type: pipe making machines
Patents 1 - 4 of 4
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
30,044Sep. 18, 1860A. BradyImprovement in casting pipepipe making machines
1,184,947May 30, 1916J.A. Gossett, J.C. HewittPipe-forming machinepipe making machines
3,478,557Nov. 18, 1969A.F. TremblayTube Reducing Machinepipe making machines
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