US Patent: 590,948
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| Automatic railroad-switch
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Patentee:
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| Adelbert G. Lawrence (exact or similar names) - Motley, MN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 04, 1897 |
| Granted: |
Sep. 28, 1897 |
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Jeff Joslin
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Description: |
| The inventor, Adelbert G. Lawrence (1837-1911), was also granted a band sawmill patent, 619,490. We have not been able to determine if his band sawmill was ever manufactured. This railroad-switch patent improves on the inventor's earlier patents 402,252 and 550,926. |
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