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DE Patent: DE-52,439
Schraubenschlüssel
Patentee:
Carl Kaiserling (exact or similar names) - Karthaus bei Trier, Germany

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Granted: Jun. 10, 1890
Antedated: Dec. 10, 1889

Patent Pictures:
German patent 52439 - composite image edited
Espacenet patent
Report data errors or omissions to steward Stan Schulz
Description:
A sliding collar serves as anchor for extended "tail" on the movable jaw.

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