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| Patents for Arthur F. Pekrul | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,590,068 | Mar. 18, 1952 | A.F. Pekrul | Combined Boring and Turning Tool | boring bars | |
| 2,816,767 | Dec. 17, 1957 | A.F. Pekrul | Tool Holder | metalworking machine tool holders | |