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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
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