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US Patent: 1,443,347
Barrel-centering device
Patentees: Eugene E. Collamer (exact or similar names) - Hilton, NY George R. Collamer (exact or similar names) - Hilton, NY USPTO Classifications: 147/6, 193/35.0MD, 193/35R, 217/60R Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: Eugene E. Collamer - Hilton, NY George R. Collamer - Hilton, NY John B. Frey Co., Inc. - Rochester, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 20, 1920 Granted: Jan. 30, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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