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| Patents for Pettingell Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 981,431 | Jan. 10, 1911 | G.L. Knights | Frame for saw-tables | tablesaws | |
| 1,048,319 | Dec. 24, 1912 | G.L. Knights | Saw-table guide | tablesaw accessories | |
| 1,060,908 | May 06, 1913 | G.L. Knights | Rotary cutter for sheet metal | rotary cutters | |
| 1,085,568 | Jan. 27, 1914 | G.L. Knights | Forming sheet metal for automobile and carriage work | ||