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| Patents for Fred C. Bruel Tool Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 331,047 | Nov. 24, 1885 | P.L. Fox | Combined Square and Miter | miter squares | |
| 768,324 | Aug. 23, 1904 | R.A. Bruel | Miter-Square | miter squares | |
| 1,374,815 | Apr. 12, 1921 | R.A. Bruel | Miter-Square | miter squares | |
| 1,374,816 | Apr. 12, 1921 | R.A. Bruel | Miter-Square | miter squares | |