Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359989 | Acoustic filter apparatus for an electronic device | John R. Sterner | 2002-03-19 |
| 6298141 | Method and apparatus for audio bass enhancement in a electronic device | — | 2001-10-02 |
| 6233343 | Power adapter having a speaker for an electronic device | Masahiko Muranami | 2001-05-15 |
| 5796575 | Portable computer with hinged cover having a window | Sergey G. Podwalny, Michael D. Derocher, Jan Hippen | 1998-08-18 |
| 5668882 | Notebook computer speakers | Mark A. Smith, Brian G. Spreadbury, Dennis R. Esterberg | 1997-09-16 |
| 5644516 | Portable computer | Sergey G. Podwalny, Michael D. Derocher, Jan Hippen | 1997-07-01 |
| 5610992 | Portable electronic device having a ported speaker enclosure | — | 1997-03-11 |