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| All Patents in class 451/317 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 302,644 | Jul. 29, 1884 | H.C. Albee | Concentric lathe | |
| 1,732,119 | Oct. 15, 1929 | A.L. Brown | Automatic combined turning lathe and sander for woodwork | ||
![]() | 1,986,005 | Jan. 01, 1935 | L.T. Medholdt, C.L. Mattison | Abrading machine | |