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| Patents for William C. Commons | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,157,762 | Oct. 26, 1915 | W.C. Commons | Surface Plate | surface plates | |
| 1,169,928 | Feb. 01, 1916 | W.C. Commons | Movable Sine-Bar | angle bars and angle plates | |