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| Patents for Top Kogyo Co., Ltd. | |||||
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| Number | Date | Patentee | Title | Type | |
| D287,928 | Jan. 27, 1987 | K. Watanabe | Pivoted Jaw Wrench | self-adjust wrenches | |
| 5,095,783 | Mar. 17, 1992 | T. Majima | Plastic Wrenching Tool | screw adjust wrenches | |