Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D480073 | Telephone headset earhook | Steve McGugan | 2003-09-30 |
| 6434251 | Headset with adjustable earhook | Steve McGugan | 2002-08-13 |
| D420429 | Remote controlled valve | — | 2000-02-08 |
| 5757944 | Headset with adjustable earhook | Steve McGugan | 1998-05-26 |
| D375496 | Telephone apparatus | Steve McGugan | 1996-11-12 |
| D375313 | Headset with adjustable earhook | Steve McGugan | 1996-11-05 |
| D311521 | Combined earphone and microphone | Bjarne Jonsson, Karsten Langhorn, Nikolai Bisgaard | 1990-10-23 |
| 4893344 | Headset having a post auricle mount and arranged to be worn on a person's outer ear | Jan Tragardh, Bjarne Jonsson | 1990-01-09 |