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US Patent: 445,657
Thread-waxing device for sewing-machines
Patentee: Joseph Eli Bertrand (exact or similar names) - Boston, MA USPTO Classifications: 112/41, 112/42 Tool Categories: household : sewing machines Assignees: Joseph Eli Bertrand - Boston, MA Mellen Bray - Newton, MA Manufacturer: Not known to have been produced Witnesses: Walter E. Lombard H. F. Purinton	Patent Dates: Applied: Jul. 26, 1890 Granted: Feb. 03, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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