US Patent: 787,609
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| Hoisting-machine
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Patentee:
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| Wendell A. Barker (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Aug. 25, 1904 |
| Granted: |
Apr. 18, 1905 |
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Jeff Joslin
Vintage Machinery entry for Thomas Elevator Co.
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Description: |
| This patent relates to hoists with "an electrically-driven winding-drum which may be positively rotated or held stationary when desirable or necessary; and my invention has for its object to provide an improved machine of this character wherein the starting and stopping of the winding-drum may be independent of the starting and stopping of the motor..." |
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