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US Patent: 1,143,874
Trolley retriever or safety device
Patentee: Melvin Albert Yeakley (exact or similar names) - Kamms, OH USPTO Classifications: 191/93 Tool Categories: transportation : railroads : railroad cars and carriages transportation : railroads : railroad cars and carriages Assignees: John E. McLain - Canton, OH Manufacturer: Not known to have been produced Witnesses: F. C. Mussun E. M. Fisher	Patent Dates: Applied: Oct. 07, 1907 Granted: Jun. 22, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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