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| Patents Granted on 1986-04-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,578,868 | Apr. 01, 1986 | T. Matsumoto, Y. Yamaguchi, Y. Arai, K. Sasaki | Digital Display Measuring Apparatus | measurement gauges | |
| 4,580,303 | Apr. 08, 1986 | G.E. Henshaw | Bottle opener and resealer | combination cork extractors | |
| 4,584,911 | Apr. 29, 1986 | F. Cellini | Corkscrew device | lever cork extractors | |