US Patent: 2,922,217
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| Filing machine
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Patentee:
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| Ferdinand John Kriz (exact or similar names) - Fairfield, CT |
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Patent Dates:
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| Applied: |
Jan. 30, 1956 |
| Granted: |
Jan. 26, 1960 |
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Jeff Joslin
Vintage Machinery entry for Connecticut Tool & Engineering Co.
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Description: |
| This filing machine supports the file from both ends, which allows the file to be tensioned, enabling more accurate and precise work. One suggest application is in blending straight surfaces into curved.Nearly 12 years after this patent was granted, the inventor would be granted a West Germany patent that was assigned to the Producto Machine Co.; as far as we can tell, that invention was not granted a US patent. |
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