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| Patents Granted on 1973-02-27 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,718,168 | Feb. 27, 1973 | E.R. Berends | Planer | wood planers | |
| 3,718,336 | Feb. 27, 1973 | D.J. Warner, R.H. Jackson | Shaft Seal and Method of Manufacture | shaft seals | |