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US Patent: 2,490,255
Portable power actuated rim-driven annular saw
Patentee: Henry A. Chase (exact or similar names) - Newtonville, MA USPTO Classifications: 30/371, 30/389 Tool Categories: handheld power tools woodworking machines : circular saws : annular saws Assignees: Cummings Machine Works - Boston, MA Manufacturer: Cummings Machine Works - Boston, MA Witnesses: Unknown	Patent Dates: Applied: Oct. 05, 1945 Granted: Dec. 06, 1949 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cumming Machine Works
Description: This unusual saw was fairly popular at one time; it was sold as the "Sally Saw" by Cummings Machine Works.

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