US Patent: 611,552
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| Tenoning-machine
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Patentee:
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| Alexander Ballantyne (exact or similar names) - Lead, SD |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 16, 1897 |
| Granted: |
Sep. 27, 1898 |
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Jeff Joslin
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Description: |
| The inventor was deceased at the time the patent was issued. The invention is an "improved machine for tenoning logs and beams for mining-timbers". |
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