US Patent: 575,703
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| Metal planing or cutting machines
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Patentee:
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| Joseph A. Costello (exact or similar names) - Cleveland, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 11, 1896 |
| Granted: |
Jan. 26, 1897 |
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Jeff Joslin
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Description: |
| In the late 19th and early 20th century, Joseph A. Costello was granted a series of patents related to metalworking machinery. Various sources dated 1908 through 1915 list him as a representative of Cleveland Car Specialty Co. and Cleveland City Forge & Iron Co. We could not determine his employment when he was receiving his machine-tool patents. |
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