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| Patents for Felix F. Zawaski | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,840,211 | Jun. 24, 1958 | F.F. Zawaski | Drop Track Construction | workpiece changers and storage mechanisms | |
| 2,987,199 | Jun. 06, 1961 | F.F. Zawaski | Storage Unit | workpiece changers and storage mechanisms | |