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| Patents for William E. Sparks | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,104,454 | Jul. 21, 1914 | W.E. Sparks | Side Rabbet Plane | rabbet planes | |
| 1,151,301 | Aug. 24, 1915 | W.E. Sparks | Sargent Auto-Set Benchplane | plane cutter adjustments | |
| 1,164,232 | Dec. 14, 1915 | W.E. Sparks | Plane | block planes | |
| 1,213,552 | Jan. 23, 1917 | W.E. Sparks | Steel Block Plane | block planes | |