US Patent: 1,279,082
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| Dressing-machine for floors, &c.
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Patentee:
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| John A. Campbell (exact or similar names) - Quincy, MA |
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Patent Dates:
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| Applied: |
May 07, 1918 |
| Granted: |
Sep. 17, 1918 |
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Jeff Joslin
Vintage Machinery entry for Campbell Machine Co.
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Description: |
| "This invention relates chiefly to a machine for imparting smooth surfaces to floors and other structures, either of wood, or any other material, capable of being reduced or worn away by a rotating abrasive tool, pressed while rotating against the surface on which it acts..." |
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