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US Patent: 1,153,785
Combined Micrometer and Scale
Patentee: Vernie R. Helin (exact or similar names) - Minneapolis, Hennepin County, MN USPTO Classifications: 33/810 Tool Categories: metalworking tools : machinist tools : measuring tools : indicating calipers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 04, 1912 Granted: Sep. 14, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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