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US Patent: 2,487,281
Toggle Actuated Wrench with Hydraulic Control
Patentee:
Glenn Steckelberg - Chamberlain, SD

USPTO Classifications:
81/301, 81/368

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Sep. 04, 1947
Granted: Nov. 08, 1949

Patent Pictures:
USPTO pdf tiff
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Description:
Henry J. G. Metzler - patent attorney

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