"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7209730 | Telephone adapted for emergency dialing by touch A telephone has a key pad with ten number keys arranged to dial the digits from 0 to 9 inclusive, each of these number keys being marked with a visual indicator denoting the digit which the number key is arranged to dial. The 1 and 9 number keys are provided with ta... | 04/24/2007 |
| 6941125 | Telephone adapted for emergency dialing by touch A telephone has a key pad with ten number keys arranged to dial the digits from 0 to 9 inclusive, each of these number keys being marked with a visual indicator denoting the digit which the number key is arranged to dial. The 1 and 9 number keys are provided with ta... | 09/06/2005 |
| 6753755 | Electrical safety connector fuse An electrical safety connector fuse for insertion into a two- or three-pin electrical socket comprises a sealed, tamper-proof housing having live and neutral apertures, and live and neutral receptacles for receiving the prongs of a plug, live and neutral prongs for ... | 06/22/2004 |
| 6537089 | Gated electrical safety outlet An electrical outlet, used with a plug having live and neutral prongs of equal length, comprises support member having live and neutral apertures, and live and neutral receptacles for receiving the prongs. A blocking member lies between the support member... | 03/25/2003 |