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| Patents Granted on 1984-07-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| D274,891 | Jul. 31, 1984 | T. Nakaoki, H. Yamashiro, T. Yamamoto | Micrometer | micrometers | |
| CA-1,171,942 | Jul. 31, 1984 | J.E. Kurtzhalts, R. Johnstone | Flexible manufacturing system | numerically controlled milling machines | |
| 4,462,243 | Jul. 31, 1984 | R.E. Richards | Tool support for machines | work holding | |