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US Patent: 144,966
Improvement in dumping-cars
Patentees:
John Elliott - Erie, PA
John P. Harrington - Erie, PA
William R. Davenport - Erie, PA

USPTO Classifications:
105/253

Tool Categories:
transportation machines : railroads and railways : railroad cars and carriages

Assignees:
Erie Car Works - Erie, PA

Manufacturer:
Not known to have been produced

Witnesses:
Edwin McK. Whiltey
Matthew Armstrong

Patent Dates:
Applied: Oct. 24, 1873
Granted: Nov. 25, 1873

Patent Pictures:
USPTO pdf tiff
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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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