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US Patent: 562,581
Hammer
Hammer or Mallet
Patentee:
Fred H. Colvin (exact or similar names) - Philadelphia, PA

USPTO Classifications:
81/19, 81/25

Tool Categories:
woodworking tools : hammers : mallets

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John A. Wiedersheim
A. P. Jennings
Patent Dates:
Applied: Jun. 29, 1892
Granted: Jun. 23, 1896

Patent Pictures:
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