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Patent number:
Patent Date:
Patents for Challenge Cutlery Corp.
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
768,324
Aug. 23, 1904
R.A. Breul
Miter-Square
806,518
Dec. 05, 1905
F.G. Breul
Sheet Metal Square/ Bevel
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