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US Patent: 1,252,175
Excavating Machine
Patentee:
Charles Frank Rayburn (exact or similar names) - Moscow, ID

USPTO Classifications:
37/401

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. E. Beck
J. S. Buchanan
Elsie Ryan
Patent Dates:
Applied: Jun. 18, 1917
Granted: Jan. 01, 1918

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