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DE Patent: DE-22,151
Gasrohrzange
Patentee:
Hans Schmidt (exact or similar names) - Braunschweig, Germany

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Gebruder Werner - Lennep, Germany

Witnesses:
none listed

Patent Dates:
Granted: May 17, 1883
Antedated: Sep. 10, 1882

Patent Pictures: [ 1 | 2 ]
German patent 22151 - composite edited image
Espacenet patent
Report data errors or omissions to steward Stan Schulz
German patent 22151 in ESPACENET
Description:
Self-adjusting hook jaw pipe wrench with a spring to close the jaw opening. A German trade journal article describes the patent. That article and period advertisements note three sizes produced by Gebruder Werner, Lennep.

German patent Klasse 87 (a) Gruppe 14.

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