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US Patent: 338,408
Motor
Patentee: George Haydn (exact or similar names) - Baltimore, MD USPTO Classifications: 91/224, 91/229 Tool Categories: Assignees: George Haydn - Baltimore, MD William L. Deming - Salem, OH Manufacturer: Not known to have been produced Witnesses: John T. Maddox G. A. Boyden	Patent Dates: Applied: Oct. 19, 1881 Granted: Mar. 23, 1886 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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