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| Patents for George M. Class | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,664,851 | Apr. 03, 1928 | G.M. Class | Tool Post | lathe tool holders and tool posts | |
| 1,776,415 | Sep. 23, 1930 | G.M. Class | Expanding Ring Friction Device | metalworking power transmission | |
| 1,797,547 | Mar. 24, 1931 | G.M. Class | Lubricating Device for the Ways of Lathes | metalworking machine lubrication | |
| 1,818,305 | Aug. 11, 1931 | G.M. Class | Collet Chuck | metal lathe chucks | |
| 2,311,211 | Feb. 16, 1943 | G.M. Class | Turning Attachment | lathe tool holders and tool posts | |