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| All Patents in class 83/161 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 415,857 | Nov. 26, 1889 | F. Challoner | Spalt-dropping mechanism for shingle-sawing machines | |
 | 442,171 | Dec. 09, 1890 | F. Challoner | Spalt Dropping Mechanisn for Shingle Sawing Machines | |
 | 446,510 | Feb. 17, 1891 | G.L. Cummings | Wood-sawing machine | |
| 471,180 | Mar. 22, 1892 | H.E. Kingsley | Shingle Edging Machine | ||
| 559,362 | May 05, 1896 | F. Challoner | Spalt Dropper for Rotary Shingle Sawing Machines | ||
| 1,876,285 | Sep. 06, 1932 | A.F. Froussard | Heel Cutting Machine | ||