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| Patents Granted on 1977-08-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,038,740 | Aug. 02, 1977 | C.M. Grinage | Vertical Lathe with Automatic Tool Change Facility | vertical turret lathes | |
| 4,038,784 | Aug. 02, 1977 | H.W. Grivna | Method and apparatus for cross grain abrading to produce a rough sawn effect | belt sanders | |