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| Patents for R. Raymond Porter | |||||
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| Number | Date | Patentee | Title | Type | |
| 933,124 | Sep. 07, 1909 | W.T. Sears | Car-wheel drilling machine | drill presses | |
| 966,059 | Aug. 02, 1910 | W.T. Sears | Hydraulic intensifier | hydraulic apparatus | |