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| All Patents in class 200/14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 793,848 | Jul. 04, 1905 | C.S. Reno | Electric controller | elevators and lifts | |
| 3,230,321 | Jan. 18, 1966 | W.L. McCann | Rotary Selector Switch for Selecting Feed Rates and Spindle Speeds of Machine Tools | electric switches | |