US Patent: 200,056
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| Improvement in oil-stoves
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Patentees:
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| Thomas Hall (exact or similar names) - Brooklyn, NY |
| Thomas J. Whitney (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 07, 1877 |
| Granted: |
Feb. 05, 1878 |
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Jeff Joslin Vintage Machinery entry for Thomas Hall
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Description: |
| The assignee had patented and was manufacturing an early typewriter. He would also patent and manufacture a drill grinder. |
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