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US Patent: 2,031,201
Attachment for Comparators
Patentee: Robert O. Beardsley (exact or similar names) - Springfield, Windsor County, VT USPTO Classifications: 353/65, 353/81, 353/87, 362/282, 362/285 Tool Categories: metalworking tools : machinist tools : measuring tools : comparators Assignees: Jones & Lamson Machine Co. - Springfield, Windsor County, VT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 09, 1935 Granted: Feb. 18, 1936 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Jones, Lamson & Co.

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