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US Patent: 2,618,298
Bow Frame Chain Saw
Patentee: Henry C. Pratt (exact or similar names) - Philadelphia, PA USPTO Classifications: 30/382, 30/386 Tool Categories: handheld power tools : handheld chainsaws Assignees: Henry Disston & Sons, Inc. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 27, 1949 Granted: Nov. 18, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Henry Disston & Sons
Description: Improved guide for the cutting chain,

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