Quotables
"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 |
| 7412264 | Lone worker monitor A system has a monitor attached to and monitoring sound and vision around the user and using cellular telephone communications to convey monitored information. The monitor calls a primary server which alerts a secondary server of call receipt. The secondary server c... | 08/12/2008 |
| D515527 | Personal electronic communications device | 02/21/2006 |
