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| Patents for Emanuel Oehrle | |||||
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| Number | Date | Patentee | Title | Type | |
| 706,095 | Aug. 05, 1902 | E. Oehrle | Combination Square and Protractor | squares | |
| RE12,119 | Jun. 09, 1903 | E. Oehrle | Combination Square and Protractor | protractors | |
| 798,695 | Sep. 05, 1905 | E. Oehrle | Combination Square and Protractor | protractors | |
| 820,311 | May 08, 1906 | E. Oehrle | Square and Level | squares | |
| 968,679 | Aug. 30, 1910 | E. Oehrle | Combination Tool | protractors | |
| 1,006,121 | Oct. 17, 1911 | E. Oehrle | Combination Tool | protractors | |