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| Patents for John Straszer | |||||
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| Number | Date | Patentee | Title | Type | |
| 243,652 | Jun. 28, 1881 | J. Straszer | Combination Tool | combination tools | |
| 243,653 | Jun. 28, 1881 | J. Straszer | Combination Hammer | combination tools | |
| 640,237 | Jan. 02, 1900 | J. Straszer | Rotary Gas Engine | gas and gasoline engines | |