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| Patents for Walter Smierciak | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,348,836 | Oct. 24, 1967 | W. Smierciak | Clamping means having hydraulic power assisting devices | bench vises | |
| 3,675,916 | Jul. 11, 1972 | R.H. Kartasuk, W. Smierciak | Vise assembly | bench vises | |
| 3,768,797 | Oct. 30, 1973 | R.H. Kartasuk, W. Smierciak | Vise assembly | bench vises | |