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| Patents Granted on 1963-05-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,091,137 | May 28, 1963 | O. Aronson | Drilling and tapping machine | drill presses | |
| 3,091,168 | May 28, 1963 | C.C. Craig | Film Holder | film and plate holders | |
| 3,091,269 | May 28, 1963 | R.S. Hartley, R.H. Burns | Food handling apparatus | ||