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| Patents for Donald A. Straznickas | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,832,894 | Apr. 29, 1958 | R.H. Eisengrein, R.J. W, D.A. Straznickas | Automatic machine | ||
| 2,890,877 | Jun. 16, 1959 | D.A. Straznickas | Governor | ||