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| Patents Granted on 1970-10-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,534,715 | Oct. 20, 1970 | A.K. Antonsen | Opposed Piston Engine Having Improved Cylinder Liner Cooling | opposed piston engines | |
| 3,534,897 | Oct. 20, 1970 | C.R. Gross | Electronic control circuit for automatically fed machines | can making machines | |