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US Patent: 409,265
Pipe casing or conduit
Patentees: Arcalous Wyckoff (exact or similar names) - Elmira, NY Ernest L. Wyckoff (exact or similar names) - Elmira, NY USPTO Classifications: 138/101, 138/141, 138/149, 138/151 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: J. L. Stanton Frederick L. Woodruff	Patent Dates: Applied: Oct. 30, 1888 Granted: Aug. 20, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Arcalous Wyckoff

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