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| Patents Granted on 1972-09-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| D224,755 | Sep. 12, 1972 | J. Frezzolini | Motion Picture Camera | cameras | |
| 3,689,988 | Sep. 12, 1972 | R.A. Jerue | Machine tool with automatic tool changing mechanism | tool changers and storage mechanisms | |
| 3,690,568 | Sep. 12, 1972 | D.K. Alexander | Wood grinding | paper making machines | |