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| All Patents in class 72/393 | |||||
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| Number | Date | Patentee | Title | Type | |
| 182,724 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in tube-expanders | pipe and tube expanders | |
| 183,241 | Oct. 10, 1876 | A. Work | Tube Expander | pipe and tube expanders | |
| 1,153,480 | Sep. 14, 1915 | E.F. Beugler | Hoop expanding and flaring machine | cooper | |
| 1,403,120 | Jan. 10, 1922 | P. Kruse | Flanging machine for can bodies | can making machines | |
| 2,759,733 | Aug. 21, 1956 | H.E. Sloan | Expansible Collet | metal lathe chucks | |