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| Patents for Oscar E. Perrigo | |||||
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| Number | Date | Patentee | Title | Type | |
| 494,383 | Mar. 28, 1893 | O.E. Perrigo | Engine-Lathe | engine lathes | |
| 499,929 | Jun. 20, 1893 | O.E. Perrigo | Engine Lathe | engine lathes | |