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US Patent: 808,975
Friction-clutch
Patentee: Hermann G. Dittbenner (exact or similar names) - Minneapolis, MN USPTO Classifications: 192/70.16, 192/70.3, 192/99A Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking power transmission industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: Diamond Iron Works - Minneapolis, MN Manufacturer: Diamond Iron Works - Minneapolis, MN Witnesses: C. Macnamara Richard Paul	Patent Dates: Applied: Aug. 29, 1904 Granted: Jan. 02, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Diamond Iron Works
Description: Improvement to patent 482,326.

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