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US Patent: 173,781
Improvement in machines for crozing staves
Patentee: Israel Graves (exact or similar names) - Minneapolis, MN USPTO Classifications: 147/19 Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: Charles P. Hunt - Minneapolis, MN Harry B. Cornish - Minneapolis, MN Israel Graves - Minneapolis, MN J. D. Putnam & Co. - River Falls, WI Manufacturer: Not known to have been produced Witnesses: Vernon Bell S. P. Gillespie	Patent Dates: Applied: Sep. 03, 1875 Granted: Feb. 22, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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