"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 |
| 4926110 | Voltage switching device with plural fuses A novel voltage switching device operable under a first and a second source voltages is disclosed. The device, which is capable of converting one of the source voltages to the design voltage of an electrical appliance when the two are different, comprises... | 05/15/1990 |
| 4316170 | Selector fuse A selector fuse to be used in an ordinary fuse socket, having a cup-shape body with an exterior screw threaded sheath thereon. A plurality of (3) contact fuse members in the interior are connected with the sheath. A rotatable shaft has a contact finger en... | 02/16/1982 |
| 4196409 | Multiple fuse device A multiple fuse device having a multiple fuse assembly within the device rotatable about an axis in fixed directions through at least a certain predetermined angle and having at least two rotational positions in which at least one fresh fuse is connected ... | 04/01/1980 |