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US Patent: 1,436,640
Ratchet tool
Patentee: John C. Blevney (exact or similar names) - Bronxville, NY USPTO Classifications: 192/44, 81/31 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Dorothea Blydenburgh George D. Richards	Patent Dates: Applied: Jan. 27, 1921 Granted: Nov. 28, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Production Machine Co.
Description: Of interest because the inventor also designed belt sanding machines that were made by Production Machine Co. of Greenfield, MA.

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