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| Patents for Rowland L. Rickwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,571,893 | Feb. 02, 1926 | R.L. Rickwood, D.C. Klausmeyer | Radial Drill Column Clamp | radial drill presses | |
| 1,659,304 | Feb. 14, 1928 | R.L. Rickwood, O.E. Schauer | Split Sleeve Frictional Reverser | metalworking power transmission | |