US Patent: 330,175
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| Pipe-cutter
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Patentees:
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| Frank Armstrong (exact or similar names) - Bridgeport, CT |
| Nathaniel W. Vandegrift (exact or similar names) - Bridgeport, CT |
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Patent Dates:
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| Applied: |
Mar. 03, 1885 |
| Granted: |
Nov. 10, 1885 |
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Patent Pictures:
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1 | 2
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Jeff Joslin Vintage Machinery entry for Armstrong Mfg. Co.
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Description: |
| An example of this pipe cutter was seen in a 2018 Martin J. Donnelly auction. |
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