"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| D641005 | Speaker | 07/05/2011 |
| D625706 | Housing for public address system | 10/19/2010 |
| D621814 | Housing for public address system | 08/17/2010 |
| D620475 | Housing for public address system | 07/27/2010 |
| D559832 | Amplifier speakers for a digital audio device | 01/15/2008 |
| D557681 | Amplifier table | 12/18/2007 |
| D550203 | Speaker box | 09/04/2007 |
| D532772 | Loudspeaker | 11/28/2006 |
| D521979 | Speaker box | 05/30/2006 |
| D519491 | Loudspeaker | 04/25/2006 |
| 3931867 | Wide range speaker system In the speaker system disclosed herein, the magnet supporting basket of a downwardly-facing, acoustic-suspension woofer supports a bell-shaped diffuser which circumferentially disperses midrange acoustic components radiated from the back side of the speak... | 01/13/1976 |