US Patent: 613,969
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| Railroad Nut Wrench
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Patentee:
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| Jerry M. Certain (exact or similar names) - Port Tampa, FL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 11, 1898 |
| Granted: |
Nov. 08, 1898 |
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Patent Pictures:
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Jerry M. Certain patent November 8, 1898 |
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Stan Schulz
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Description: |
| Ganged ratchet socket wrenches operated by a single handle, and mounted in a frame to correspond with a set of railroad fish plate bolts. |
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