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| All Patents of Type: pipe bending machines | |||||
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| Number | Date | Patentee | Title | Type | |
| 275,029 | Apr. 03, 1883 | J.M. Evarts | Machine for Bending Pipe | pipe bending machines | |
| 878,604 | Feb. 11, 1908 | L.H. Brinkman | Machine for Bending Pipe | pipe bending machines | |