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US Patent: 388,890
Apparatus for the manufacture of excelsior
Patentee: Duncan T. H. MacKinnon (exact or similar names) - Menasha, WI USPTO Classifications: 144/191 Tool Categories: woodworking machines : specialty woodworking machines : excelsior machines Assignees: None Manufacturer: Not known to have been produced Witnesses: C. F. Augustin C. V. Donaldson	Patent Dates: Applied: Aug. 03, 1886 Granted: Sep. 04, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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