Number | Name | Date | Kind |
---|---|---|---|
D174053 | Norris | Feb 1955 | S |
D287765 | Topholm | Jan 1987 | S |
5655026 | Peters et al. | Aug 1997 | A |
D383757 | Dobrusskin et al. | Sep 1997 | S |
6101260 | Jensen et al. | Aug 2000 | A |
D443261 | Yuyama | Jun 2001 | S |
D461791 | Ma | Aug 2002 | S |
D463791 | Nagai et al. | Oct 2002 | S |
D464638 | Huang | Oct 2002 | S |
D468728 | Rath et al. | Jan 2003 | S |
Entry |
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Catalog “Value up”, pp. 2 & 3, Sony (Spring/2002). |
Web page “Armless HeadphoneHP-AL23 mini be!” http://www.victor.co.jp/accessory/headphone/be/hpal23/index.html, 1 sheet, Victor•JVC (Sep. 2002). |
Web page “Stereo Headphone: RP-HZ55” http://prodb.matsushita.co.jp/products/panasic/RP/RP-HZ55.html, 1 sheet, Panasonic (Sep. 2002). |