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| Patents for George D. Pitkin | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,607,641 | Nov. 23, 1926 | G.D. Pitkin | Abrasive saw-edging machine or the like | ||
| 1,683,298 | Sep. 04, 1928 | G.D. Pitkin | Stoneworking machine | ||