Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D572242 | Earphone | — | 2008-07-01 |
| D562809 | Earphone | — | 2008-02-26 |
| 7289641 | Multiple channel earphone | — | 2007-10-30 |
| D531621 | Earphone | — | 2006-11-07 |
| D519107 | Earphone | — | 2006-04-18 |
| D519108 | Earphone | — | 2006-04-18 |
| D517054 | Blue tooth headset | — | 2006-03-14 |
| D512990 | Earphone | — | 2005-12-20 |
| D512049 | Earphone | — | 2005-11-29 |
| 6807434 | Communication system for telephone | — | 2004-10-19 |
| 6198821 | Earphone-microphone adapter | — | 2001-03-06 |
| 6097827 | Adjustable earphone with a microphone | — | 2000-08-01 |
| 6069964 | Earphone-microphone-earmuff assembly | — | 2000-05-30 |
| 6047076 | Earphone-microphone system having double ear braces | — | 2000-04-04 |
| 5984224 | Cable-spooling casing for earphones | — | 1999-11-16 |
| 5927659 | In-cord detachable ear hanger for earphone | — | 1999-07-27 |
| 5850439 | Hands-free phone converter | — | 1998-12-15 |
| 5729615 | In-ear type earphone having an ear hanger | — | 1998-03-17 |
| 4897033 | Lighter with a cigarette extinguisher | — | 1990-01-30 |
| 4894641 | Real-time speed display apparatus | — | 1990-01-16 |