US Patent: 144,155
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Improvement in rotary shears for metal
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Patentee:
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Melvin Stephens (exact or similar names) - Brooklyn, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Sep. 09, 1873 |
Granted: |
Oct. 28, 1873 |
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Jeff Joslin Vintage Machinery entry for Stephens Patent Vise Co.
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Description: |
These shears were primarily intended for cutting strips of metal used in the inventor's manufacturing of cement-lined cast iron pipes; making stove-pipe and speaking-tubes are also mentioned in the specification. |
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