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US Patent: 6,982
Mill Bolt
Combining Grinding and Bolting Machines
Patentee:
James M. Clark (exact or similar names) - Lancaster, PA

USPTO Classifications:
209/306, 241/74, 241/79.2

Tool Categories:
trade specific : miller

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas M. Clark
I. Franklin Reigart
Patent Dates:
Granted: Jan. 01, 1850

Patent Pictures:
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