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| Patents for Roy J. Soules | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,169,900 | Feb. 01, 1916 | W. Winter | Sine-Bar | angle bars and angle plates | |
| 1,169,928 | Feb. 01, 1916 | W.C. Commons | Movable Sine-Bar | angle bars and angle plates | |
| 1,170,010 | Feb. 01, 1916 | M.A. Smith | Automatic metal-shaping machine | metal shapers | |
| 1,279,645 | Sep. 24, 1918 | E.J. Bryant | External Limit Gage | measurement gauges | |