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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 ]
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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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