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| Patents Granted on 1971-09-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,602,998 | Sep. 07, 1971 | S. Matsumoto, K. Imai | Micrometer Head | micrometers | |
| 3,603,346 | Sep. 07, 1971 | A. Hirt | Pneumatic Logic Element | ||
| 3,603,360 | Sep. 07, 1971 | H.R. Botefuhr | Radial arm saw | radial arm saws | |
| 3,603,624 | Sep. 07, 1971 | L.A. Attermeyer | Antibacklash Coupling | metalworking machine mechanisms | |