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US Patent: 2,289,081
Hack saw blade
Patentees: Leslie D. Hawkridge (exact or similar names) - Newton, MA William H. Shortell (exact or similar names) - Greenfield, MA USPTO Classifications: 420/100, 420/101, 420/105, 420/111, 420/114, 420/122, 420/123, 420/127, 420/99 Tool Categories: metalworking tools : hacksaws Assignees: Hawkridge Brothers Co. - Boston, MA Millers Falls Co. - Greenfield, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 30, 1938 Granted: Jul. 07, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Randy Roeder's Millers Falls Co. site "Vintage Machinery" entry for Millers Falls Co.
Description: This patent has no drawing. It covers the metallurgy of a hacksaw blade.

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