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| Number | Title | Issue Date |
| 4528544 | Control apparatus for variable speed reversible motor A control unit, adapted to control a reversible, variable-speed electrical motor includes a control lever protruding through a U-shaped slot in a housing. Movement of the lever from one side to the other of the U-shaped slot controls the direction of rota... | 07/09/1985 |
| 4332177 | Control system having squeeze type manual actuator A squeeze type manual actuator including a control arm with a pair of hand grips extending from the upper end of the arm, at least one of the hand grips being mounted on the arm for movement toward and away from the other hand grips. The hand grips are pr... | 06/01/1982 |
| 4041439 | Potentiometers A potentiometer including a resistance track and a wiper element adapted for relative movement with respect thereto includes first, second and third terminals connected respectively to each end of the resistance track and to the wiper element. The potenti... | 08/09/1977 |
