US Patent: 144,966
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Improvement in dumping-cars
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 24, 1873 |
Granted: |
Nov. 25, 1873 |
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Jeff Joslin
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Description: |
Of provisional interest because co-inventor John P. Harrington may have gone on to establish milling machine maker Harrington Machine Co. of Erie, Pa. |
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