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| Patents for Stone Machinery Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,848,330 | Mar. 08, 1932 | A.N. Emmons | Adjustable portable power handsaw | handheld circular saws | |
| 2,014,229 | Sep. 10, 1935 | A.N. Emmons | Portable slab cutting machine | ||