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| Patents Granted on 1972-10-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,701,219 | Oct. 31, 1972 | L.S. Sternal | Apparatus for effecting superior sanding | sanding machines | |
| 3,701,574 | Oct. 31, 1972 | B. Philips | Bearing structure | motor bearings | |