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| All Patents in class 241/270 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 7,837X | Nov. 19, 1833 | J. Shaw | Straw cutter | ||
| 8,552X | Dec. 23, 1834 | J. Moore | Straw cutter | ||
| 9,229X | Nov. 07, 1835 | A. Hall | Straw cutter (Straw machine) | ||
| 9,840X | Jul. 01, 1836 | M.M. Marshall | Straw cutter | ||
 | 20,258 | May 18, 1858 | L.A. Dole | Meat-chopper | |
 | 216,536 | Jun. 17, 1879 | E.W. Silver | Improvement in meat-choppers | |
 | 285,391 | Sep. 25, 1883 | J.C. Butterfield | Mortar for stamp-mills | |
 | 2,056,097 | Sep. 29, 1936 | G.O. Leopold, T.J. Fegley | Ice cracker for tumblers | |