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US Patent: 400,802
Automatic switch
Patentee: William X. Stevens (exact or similar names) - Washington, DC USPTO Classifications: 246/266, 246/436 Tool Categories: transportation : railroads : track and switches Assignees: None Manufacturer: Not known to have been produced Witnesses: Albert Speiden William L. Speiden	Patent Dates: Applied: Nov. 17, 1888 Granted: Apr. 02, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. X. Stevens

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