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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 5345833 | Heater control unit for automobile A heater control unit of a dial type installed on an instrument panel and functioning as an operation portion of an air conditioner equipped in an automobile. The first bevel gear is integral with the shaft coupled with a dial. The first and second suppor... | 09/13/1994 |
| 4265128 | Turret type frequency selector A frequency selector (tuner) employs a turret to select the position of a slide member that is coupled to a variable reactance. The slide member is moved away from the turret by depressing an operating member and returns to the turret when the operating m... | 05/05/1981 |
| 4230064 | Universal T.V. channel knob A universal T.V. channel knob has a channel indicator skirt slidably receivable on a cylindrical, molded synthetic plastic knob shaft and relatively attachable thereto in an infinite number of rotative positions to provide for universal replacement usage.... | 10/28/1980 |
| 4186611 | Remote control TV channel selector A pull-cord acting through a leverage and a linkage actuates the driving element of a 2 element clutch, the driven element containing a slot which is in driving engagement with the tongue of a TV tuner dial. The clutch and an actuating lever are attached ... | 02/05/1980 |
| 4126051 | Channel selector This invention relates to a channel selector suitable for use in a television receiver set. The channel selector comprises a channel selecting shaft which is linked to a variable capacitor shaft through an Oldham coupler. A fine tuning shaft also is linke... | 11/21/1978 |
| 4084448 | Escapement assembly for shift control mechanism In a manually operable shift control mechanism operatively connected with a transmission through shifting means wherein a shift lever controls a preselector valve means for selectively establishing one of a multiplicity of consecutively arranged speed rat... | 04/18/1978 |
| 4043207 | Frequency selector comprising a freewheel coupling A frequency selector comprising a first control member for frequency preselection changing and a second control member for changing the preselection frequency. The control members are coupled such that unintended changing of the preselection frequency by ... | 08/23/1977 |
| 4041422 | Fine tuning assembly for preset tuner A plurality of fine tuning elements are mounted on a disc which is rotatable by a selector shaft so that a selected tuning element is in a tuning position. Each tuning element comprises a screw with a gear mounted at the end thereof. A tuning shaft is rot... | 08/09/1977 |
| 3988680 | Remote television control A remote television control includes a hollow floating knob which is engaged on the television tuner shaft. Inside the knob is a torque-applying mechanism such as a unidirectional clutch or ratchet for imparting torque to the tuner shaft. A flexible coaxi... | 10/26/1976 |
