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US Patent: 104,206
Improvement in Try Square and Bevel The Diamond Bevel
Patentee: Isaiah J. Robinson (exact or similar names) - St. Johnsbury, VT USPTO Classifications: 33/473 Tool Categories: layout tools : bevels layout tools : squares : try squares Assignees: None Manufacturer: St. Johnsbury Tool Co. - St. Johnsbury, VT Witnesses: W. A. Pierce C. C. Burke	Patent Dates: Applied: Nov. 22, 1869 Granted: Jun. 14, 1870 Reissue Information: Reissued as RE8,058 (Jan. 29, 1878) Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Infill style construction with use of a wedge shaped bar or cam within the handle operated by a thumbscrew to secure the position of the blade.

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