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US Patent: 202,097
Improvement in machines for making paper-pulp from wood
Patentee: William A. Doane (exact or similar names) - Rochester, NY USPTO Classifications: 241/136, 241/151, 241/277, 241/278.1, 241/280 Tool Categories: specialty machines : paper making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Edmund M. Doane F. H. Clement	Patent Dates: Applied: Mar. 05, 1878 Granted: Apr. 09, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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