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| Patents for Emanuel Oehrle | |||||
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| Number | Title | Classification(s) | |||
| 706,095 | Combination Square and Protractor | 33/342, 33/343, 33/381, 33/419 | |||
| RE12,119 | Combination Square and Protractor | 33/342, 33/419 | |||
| 798,695 | Combination Square and Protractor | 33/341, 33/343, 33/419 | |||
| 820,311 | Square and Level | 33/341, 33/419, 33/420 | |||
| 968,679 | Combination Tool | 33/342, 33/343, 33/427, 33/451 | |||
| 1,006,121 | Combination Tool | 279/83, 33/451, 33/832 | |||