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US Patent: 39,404
Improved Gage for Metal-Planing Surface Gage
Patentee: H. H. Jennings (exact or similar names) - New Haven, CT USPTO Classifications: 33/32.2 Tool Categories: layout tools : measurement gauges : surface gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: G. W. Reed J. W. Coombs Henry J. Hubbard Rufus S. Pickett	Patent Dates: Granted: Aug. 04, 1863 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: One of the first patents for a surface gage. This one is fairly traditional gage, with a micrometer-adjustment added to the arm.

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