US Patent: 397,794 - Manufacture of Wrenches


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US Patent: 397,794

Manufacture of Wrenches

Patentee:

Alfonso D. Gates (exact or similar names) - Cleveland, OH

USPTO Classifications:

411/385, 76/114, 81/170, 81/186

Tool Categories:

wrenches : nut wrenches

Assignees:

None

Manufacturer:

Lorain Wrench Co. - Lorain, OH

Witnesses:

Patent Dates:
Applied:	Jun. 06, 1888
Granted:	Feb. 12, 1889

Patent Pictures:

Alfonso D. Gates patent February 12, 1889

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Description:

The patent describes methods to produce an adjustable nut wrench by welding or brazing forgings. The example shown in the drawings is described in patent no. 357,986.