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US Patent: 513,580
Pipe Or Rod Wrench
Patentees:
Abram S. King (exact or similar names) - Ashby, MN
Roswell Beardsley (exact or similar names) - Ashby, MN

USPTO Classifications:
81/99

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. S. Duvall
E. K. Stewart
Franz Wahldrich
K. N. O. Melley

Patent Dates:
Applied: Nov. 07, 1893
Granted: Jan. 30, 1894

Patent Pictures:
Abram S. King and Roswell Beardsley patent January 30, 1894
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Description:
A pivoted secondary handle connects to the swinging hook jaw through a curved slot. A spring between the two handles closes the hook jaw.

The design with modified description and a different drawing received Canadian patent no. CA-46,074 on May 17, 1894.

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