US Patent: 22,122 - Screw-Wrench


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 22,122

Screw-Wrench

Patentee:

Joseph Hyde (exact or similar names) - Troy, NY

USPTO Classifications:

188/151R, 303/49, 81/170, 81/177.85

Tool Categories:

wrenches : nut wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Lewis Corning

Marcus P. Norton

Patent Dates:
Granted:	Nov. 23, 1858

Patent Pictures:

Joseph Hyde Pat. Nov. 23, 1858

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

The patent describes a wrench assembled from a number of malleabe iron parts. The adjustable jaw slides on parallel rods. The adjusting screw is placed in the center of the jaw and handle.