US Patent: 650,795 - Boring implement


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US Patent: 650,795

Boring implement

Patentees:

George J. Spahn (exact or similar names) - Baltimore, MD

William T. Maxwell (exact or similar names) - Baltimore, MD

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	May 29, 1900

Patent Pictures: