US Patent: 998,660
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| Compound Tool
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Patentee:
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| Frank J. Vlchek (exact or similar names) - Cleveland, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 11, 1911 |
| Granted: |
Jul. 25, 1911 |
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Patent Pictures:
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Frank J. Vlchek patent July 25, 1911 |
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Stan Schulz
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Description: |
| Crank driven drill, and various frames and applications. The frames include bench and wall mountings; automotive valve grinding is shown as one application. One application uses some parts to form a hacksaw frame.
Bommhardt & Co. - patent attorneys
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