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| All Patents in class 451/484 | |||||
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| Number | Title | Classification(s) | |||
| 38,153 | Polishing Metal Cylinders | 15/213, 451/484 | |||
| 1,083,452 | Grinder and Polisher for Car Journals | 451/180, 451/340, 451/484, 82/128 | |||
| 1,522,720 | Cylinder-grinding tool | 451/484 | |||
| 1,774,711 | Cylinder-grinding tool | 451/484 | |||