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| Patents for C. M. Richardson | |||||
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| Number | Date | Patentee | Title | Type | |
| 158,835 | Jan. 19, 1875 | G. Erlin | Lock-Mortise Chisel | mortise chisels | |
| 159,114 | Jan. 26, 1875 | O. Osten | Improvement in machines for cutting heads for barrels | barrel making machines | |
| RE6,340 | Mar. 23, 1875 | O. Bonney | Improvement in band sawing-machines | bandsaws | |
| 168,541 | Oct. 05, 1875 | W.P. Valentine | Improvement in shingle-machines | shingle machines | |
| 171,883 | Jan. 04, 1876 | G.W. Swan | Improvement in box-trimming machines | box making machines | |