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| All Patents in class 301/130 | |||||
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| Number | Date | Patentee | Title | Type | |
| 101,238 | Mar. 29, 1870 | J. Du Bois, E.F. Beugler | Improvement in fastening for cutter-heads, pulleys, etc. | cutterheads | |
| 210,075 | Nov. 19, 1878 | C.H. Amidon | Improvement in bit-braces | brace chucks | |
| 291,282 | Jan. 01, 1884 | W.H. Blue | Lathe Mandrel | mandrels and arbors | |