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| All Patents in class 451/360 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,629,976 | Feb. 24, 1953 | J.J. Osplack | Grinding wheel spindle | metalworking machine bearings | |
| 3,050,912 | Aug. 28, 1962 | J. Decker | Mounting Construction for Machine Tool Member | grinding machines | |