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US Patent: 166,963
Improvement in machines for drilling rivets
Patentee: Mellen Bray (exact or similar names) - Newton, MA USPTO Classifications: 408/71 Tool Categories: specialty machines : rivet making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: E. A. Hemmenway William P. Edwards	Patent Dates: Applied: Jun. 11, 1875 Granted: Aug. 24, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: See patent 188,773 for a subsequent improvement.

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