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| All Patents in class 74/467 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 593,066 | Nov. 02, 1897 | G.H. Ball, D.E. Sweetser, C.P. Ball | Automatic Lathe | ||
 | 1,429,942 | Sep. 26, 1922 | C.W. Francis | Oil guard | |
| 1,989,611 | Jan. 29, 1935 | B. Sassen, A.H. Dall | Wave Screw | ||
| 2,320,353 | Jun. 01, 1943 | M.E. Martellotti, H. Ernst | Power Transmission Mechanism | ||