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| Patents Granted on 1986-03-11 | |||||
| Number | Date | Patentee | Title | Type | |
| 4,574,663 | Mar. 11, 1986 | B. Delisle, Jr. | Cork extractor | combination cork extractors | |
| 4,575,702 | Mar. 11, 1986 | T. Nitta, H. Iwasaki | Permanent magnetic chuck | magnetic chucks | |