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US Patent: 2,339,031
Micrometer
Patentee: Irving David Rosenberg (exact or similar names) - Orange, NJ USPTO Classifications: 177/208, 33/785, 33/806 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Dec. 26, 1942 Granted: Jan. 11, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Clarence A. O'Brien & Harvey B. Jacobson - patent attorneys

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