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| All Patents in class 318/366 | |||||
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| Number | Date | Patentee | Title | Type | |
| 273,208 | Feb. 27, 1883 | S.S. Wheeler | Electric Elevatror | elevators and lifts | |
| 1,949,727 | Mar. 06, 1934 | J.D. Nies | Electric brake for slip-ring motors | ||
| 2,170,510 | Aug. 22, 1939 | W. Trible, G.F. Heckman | Automatic Position Stop Mechanism for Machine Tools | grinding machines | |