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US Patent: 409,324
Perforating-stamp
Patentee: Christian C. Hill (exact or similar names) - Chicago, IL USPTO Classifications: 234/100, 400/137 Tool Categories: trade specific : office worker Assignees: Hill Mfg. Co. - Chicago, IL Manufacturer: B. F. Cummins Co. - Chicago, IL Witnesses: Edmund Adcock H. M. Munday	Patent Dates: Applied: Dec. 22, 1887 Granted: Aug. 20, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin YouTube video of perforator restoration
Description: This patent number was seen on a "No. 2 Perforator" from B. F. Cummins Co.

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