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DE Patent: DE-139,982
Verstellbärer Schraubenschlüssel mit übereinander geschobenen Backen
Patentee:

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
Heyden & Käufer, G.m.b.H. - Hagen, Westphalia, Germany

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Granted: Feb. 22, 1902

Patent Pictures: [ 1 | 2 ]
Gerrman patent 139982 - edited composite image
Espacenet patent
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German patent 139982 in ESPACENET
Description:
Turning handle adjusts jaw opening.

Wrenches of this overall appearance were made. This patent entry is provisional, pending verification this company made them. The patent was granted to the company; no individual is identified.

German patent Klasse 87 (a) Gruppe 7

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