US Patent: 768,324 - Miter-Square


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US Patent: 768,324

Miter-Square

Patentee:

Richard Alvin Bruel (exact or similar names) - Bridgeport, CT

USPTO Classifications:

33/429

Tool Categories:

layout tools : squares : miter squares

Assignees:

None

Manufacturer:

Challenge Cutlery Corp. - Bridgeport, CT

Fred C. Bruel Tool Works - Bridgeport, CT

Witnesses:

C. M. Newman

W. V. Devitt

Edward K. Nicholson

Patent Dates:
Applied:	Dec. 29, 1903
Granted:	Aug. 23, 1904

Patent Pictures:

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Description:

This patent specifies a new way of manufacturing squares like the Fox patent (#331,047 - 8/3/1885), which stiffens the back to make the tool more robust.

This patent was later improved by the same inventor with patents #1,374,815 and #1,374,816.

Known examples marked with this patent date, the 1885 patent date, and Challenge Cutlery Corp.