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US Patent: 2,199,236
Inside Micrometer Attachment
Patentee: Cliffton Bigwood (exact or similar names) - Athol, MA USPTO Classifications: 33/828 Tool Categories: metalworking tools : machinist tools : measuring tools : inside micrometers Assignees: L. S. Starrett Co. - Athol, MA Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: May 18, 1939 Granted: Apr. 30, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens L. S. Starrett Co.-125th Anniversary History of the L. S. Starrett Co. Biography of L. S. Starrett "Vintage Machinery" entry for L. S. Starrett Co.
Description: Spear, Rawlings & Spear - patent attorneys

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