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US Patent: 243,863
Detachably-covered book
Patentee: William L. Deming (exact or similar names) - Salem, OH USPTO Classifications: 281/19.1 Tool Categories: trade specific : office worker Assignees: None Manufacturer: Not known to have been produced Witnesses: Lucien L. Gilbert R. V. Hampson	Patent Dates: Applied: Mar. 31, 1881 Granted: Jul. 05, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Silver & Deming Mfg. Co.

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