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US Patent: 149,765
Manufacture of Hammer Heads
Patentee:
James R. Lindsay - Chicago, IL

USPTO Classifications:
72/472, 72/477, 76/103

Tool Categories:
woodworking machines : specialty machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. Mathys
Solon C. Kemon
Chas. A. Pettit

Patent Dates:
Applied: Feb. 02, 1874
Granted: Apr. 14, 1874

Patent Pictures:
James R. Lindsay Pat. April 14, 1874
USPTO pdf tiff
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Description:
The manufacturing process is a die which in successive strikes on a bar would form connected rough blanks for hammer heads or similar tools, which would then be cut from the stock and finished.

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