The broken line showing of the environmental structure of the headset in
The broken line showing of the environmental structure of the headset in
| Number | Name | Date | Kind |
|---|---|---|---|
| D167828 | Florac | Sep 1952 | S |
| D277753 | Eckmann et al. | Feb 1985 | S |
| D280896 | Campbell et al. | Oct 1985 | S |
| D290356 | Fisher | Jun 1987 | S |
| D304191 | Sekine | Oct 1989 | S |
| D316550 | Sogabe | Apr 1991 | S |
| 5313663 | Norris | May 1994 | A |
| D347635 | van Wijnen | Jun 1994 | S |
| D357921 | Ming-Chin | May 1995 | S |
| D361058 | Domel et al. | Aug 1995 | S |
| D382874 | Peschke et al. | Aug 1997 | S |
| D457513 | Pirelli et al. | May 2002 | S |
| D464942 | Lee | Oct 2002 | S |
| D471898 | Bae | Mar 2003 | S |
| D478067 | Kawakami et al. | Aug 2003 | S |
| D514549 | Rath et al. | Feb 2006 | S |
| D519109 | Perszyk et al. | Apr 2006 | S |
| D526313 | Murray | Aug 2006 | S |
| D526641 | Ham | Aug 2006 | S |
| D533540 | Murray | Dec 2006 | S |
| D538260 | Wada | Mar 2007 | S |
| 7231181 | Kohli et al. | Jun 2007 | B2 |
| D564500 | Wang | Mar 2008 | S |
| D573577 | Huang | Jul 2008 | S |
| D582388 | Nielsen et al. | Dec 2008 | S |
| D590813 | Bradford et al. | Apr 2009 | S |