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US Patent: 374,945
Hub-Boring Machine
Patentee:
Frank B. Deming (exact or similar names) - Salem, OH

USPTO Classifications:
144/98, 408/137, 408/236

Tool Categories:

Assignees:
None

Manufacturer:
Silver & Deming Mfg. Co. - Salem, OH

Witnesses:
Robert Hale
W. W. Hale

Patent Dates:
Granted: Dec. 20, 1887

Patent Pictures:
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Vintage Machinery entry for Silver & Deming Mfg. Co.
Description:
Manufacturer is a guess based on the surname and location of the inventor.

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