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| Patents for Peter Walzak | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,829,537 | Apr. 08, 1958 | P. Walzak, R.G. Sholeen, A.W. Mall | Throttle lock mechanism | handheld chainsaws | |
| 2,838,129 | Jun. 10, 1958 | P. Walzak, A. Hesse | Muffler assembly | ||