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US Patent: 793,201
Wrench
Patentee:
Ellsworth Kritzer (exact or similar names) - Mahaffey, PA

USPTO Classifications:
81/116

Tool Categories:
wrenches : brace wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jas. A. Koehl
C. H. Greesbauer
W. L. De Haas
A. W. Bloom

Patent Dates:
Applied: Feb. 16, 1905
Granted: Jun. 27, 1905

Patent Pictures:
Ellsworth Kritzer patent June 27, 1905
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Description:
A self-adjusting brace socket wrench with "notch" faced curved jaws to hold the corners of nuts. The jaws mesh with each other within the case to retain their alignment with each other, and are held in the case by a retaining pin.

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