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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:
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