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US Patent: 141,816
Improvement in devices for centering barrel-heads
Patentee: John J. Ralya (exact or similar names) - Cleveland, OH USPTO Classifications: 147/36, 33/27.03 Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: None Manufacturer: Not known to have been produced Witnesses: George A. Groot S. Burke	Patent Dates: Applied: Sep. 26, 1872 Granted: Aug. 12, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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