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| Patents Granted on 1972-08-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,685,335 | Aug. 22, 1972 | L.J. Kowal | Tube bender | pipe and tube benders | |
| 3,685,393 | Aug. 22, 1972 | R.M. Bell | Device for smoothing irregularities | ||
| 3,685,843 | Aug. 22, 1972 | A. Jacyno | Insulated chuck | handheld power drills | |
| 3,685,851 | Aug. 22, 1972 | H.A. Berry | Mobile cabinet | ||