US Patent: 582,616
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| Hoisting-machine
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Patentee:
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| Henry Bolthoff (exact or similar names) - Denver, CO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 14, 1896 |
| Granted: |
May 18, 1897 |
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Patent Pictures:
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Jeff Joslin
Vintage Machinery entry for Hendrie & Bolthoff Mfg. & Supply Co.
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Description: |
| An example of this machine was seen, labeled, "Hendrie & Bolthoff Mfg. & Supply Co., Denver, Colo.". Hendrie & Bolthoff also made woodworking machinery. |
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