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| Patents for O. M. Olsen | |||||
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| Number | Date | Patentee | Title | Type | |
| 980,727 | Jan. 03, 1911 | F.D. Winkley | Combined pump-jack and engine base | piston pumps | |
| 1,146,193 | Jul. 13, 1915 | W.L. Miller | Fluid-pressure chuck-actuating device | metal lathe accessories and attachments | |