US Patent: 127,438
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| Improvement in the manufacture of cement pipes
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Patentee:
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| Anson P. Stephens (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 04, 1872 |
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Jeff Joslin
Vintage Machinery entry for Stephens Patent Vise Co.
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Description: |
| The inventor operated the Stephens Patent Vise Co. There are other cement pipe patents to others with the surname Stephens so we presume that manufacturing cement pipe was some kind of family business. |
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