US Patent: 2,441,775
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Belt shifter
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Patentee:
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George B. Simonson (exact or similar names) - Hawthorne, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 23, 1946 |
Granted: |
May 18, 1948 |
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Jeff Joslin
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Description: |
The invention is a slow-speed accessory for drill presses and the like. |
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