| Filed On | Filing |
|---|---|
| 14 Jan 2021 | FORM PRE 14A |
| 13 Jan 2010 | PRELIMINARY PROXY STATEMENT |
| 16 Mar 2007 | AMERICAN TECHNOLOGY CORPORATION |
| 24 Mar 2006 | PRELIMINARY PROXY STATEMENT |
| 08 Aug 2002 | NOTICE & PROXY STATEMENT |
| 27 Jan 1997 | PRELIMINARY PROXY STATEMENT |
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