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| Patents for Richard T. Wingo | |||||
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| Picture | Number | Date | Patentee | Title | |
| 526,171 | Sep. 18, 1894 | R.T. Wingo | Friction Clutch | ||
| 809,160 | Jan. 02, 1906 | R.T. Wingo | Mechanical Movement | ||
| 813,129 | Feb. 20, 1906 | R.T. Wingo | Mechanical Movement | ||
 | 842,989 | Feb. 05, 1907 | R.T. Wingo | Spiral Cutting Machine | |
| 897,440 | Sep. 01, 1908 | R.T. Wingo | Metal-Working Machine | ||