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| Patents for Robert Hale | |||||
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| Number | Date | Patentee | Title | Type | |
| 201,006 | Mar. 05, 1878 | R. Hale | Improvement in Wire-Band Cutters | ||
| 367,374 | Aug. 02, 1887 | F.B. Deming | Rotary pump | ||
| 374,945 | Dec. 20, 1887 | F.B. Deming | Hub-Boring Machine | ||