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US Patent: 300,604
Die Stock
Patentee:
William C. Hartmann (exact or similar names) - Philadelphia, PA

USPTO Classifications:
408/120, 470/185, 470/207, 76/117, 81/63.1

Tool Categories:
wrenches : tap wrenches and die stocks

Assignees:
William C. Hartmann - Philadelphia, PA
John J. Mossup - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
John R. Parker
Harry Smith
Larry Drury
David S. Williams
Patent Dates:
Applied: Oct. 11, 1883
Granted: Jun. 17, 1884

Patent Pictures:
William C. Hartmann patent June 17, 1884
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Description:
The patent addresses the cutting dies, the ratchet action of the head, and guiding stock to be cut.

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