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US Patent: 13,528
Excavator
Mode of Operating and Dumping Earth-Cars
Patentee:
Richard Ray (exact or similar names) - Louisport, KY

USPTO Classifications:
414/387, 83/433

Tool Categories:
construction machines : excavators

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John F. Clark
Samuel Grubb
Patent Dates:
Granted: Sep. 04, 1855

Patent Pictures:
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