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US Patent: 546,672
Ratchet Wrench
Patentee:
Henry Markel (exact or similar names) - Spencerville, IN

USPTO Classifications:
81/63

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Walter G. Burns
Ralph E. Chapin
Henry O. Kramer
Flavius J. Young

Patent Dates:
Applied: Apr. 08, 1895
Granted: Sep. 24, 1895

Patent Pictures:
Henry Markel patent September 24, 1895
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Description:
Reversible ratchet with interchangeable "die plates" to fit different sizes of nuts. The "die plates" slide into a dovetailed slot in the ratchet head.

Corresponding Canadian patent no. CA-52,662 was issued June 17, 1896.

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