US Patent: 768,324
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Miter-Square
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Patentee:
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Richard Alvin Bruel (exact or similar names) - Bridgeport, CT |
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Patent Dates:
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Applied: |
Dec. 29, 1903 |
Granted: |
Aug. 23, 1904 |
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Ralph Brendler
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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. |
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