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US Patent: 658,540
Rotary Nut
Patentees:
Frederich Wilhelm Bühne (exact or similar names) - Freiburg, Baden-Württemberg, Germany
August Ritz (exact or similar names) - St. Georgen, Schwarzwald-Baar County, Baden-Württemberg, Germany

USPTO Classifications:
269/174, 82/136

Tool Categories:
metalworking machines : metalworking machine mechanisms
metalworking machines : metal lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 12, 1900
Granted: Sep. 25, 1900

Patent Pictures:
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