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DG Patent: DG-156,177
Mutterschlüssel u.s.w. (und so weiter)
Patentee:
August Becker (exact or similar names) - Remscheid, Germany

USPTO Classifications:

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

Assignees:
August Becker - Remscheid, Germany

Manufacturer:
August Becker - Remscheid, Germany

Witnesses:
Unknown

Patent Dates:
Granted: Jul. 10, 1901
Antedated: Jun. 03, 1901

Patent Pictures: [ 1 | 2 ]
D.R.G.M. 156177 Aus Stahl geschmiedet - composite courtesy image
Report data errors or omissions to steward Stan Schulz
Description:
"Twist handle to adjust" "German style" double jaw adjustable nut wrench. A known example is marked with the D.R.G.M. number and a stylized "A-B" trademark. As with most German patents, registration is listed under the "firm" name rather than individual.

German Gebrauchsmuster Registrations are not included in online patent sources. They are documented only from the German patent office's PATENTBLATT (where they are listed by Patent classification rather than by registration number), from marked examples of tools, and / or from lists and notices in trade publications and the like. The text in this entry includes original PATENTBLATT publication from 1901 and a modification of the registration from 1904.

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