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US Patent: 740,016
Self-opening die
Patentee: Lewis A. Howe (exact or similar names) - Barre, MA USPTO Classifications: 408/154, 408/173, 470/185 Tool Categories: Assignees: Harding Allen - Barre, MA Lewis A. Howe - Barre, MA Manufacturer: Not known to have been produced Witnesses: C. H. Follansby James Crane	Patent Dates: Applied: Jun. 15, 1903 Granted: Sep. 29, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Chas. G. Allen Co.

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