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| Number | Title | Issue Date |
| 6176576 | Eyewear supported by a wearer's concha of an ear Eyewear with earpieces supported from a wearer's ear with optional audio apparatus for use by the wearer, having a front frame browpiece portion including a front transparent panel that may be tinted and/or may be designed to correct vision impairments, b... | 01/23/2001 |
| 6129175 | Acoustical control plastisol earpieces An acoustical control earpiece comprised of non-foamed polyvinyl chloride plastisol. The earpieces may be acoustical hearing protective earplugs as well as overmolds and covers for audio sound reproduction devices such as headphones, speakers, and hearing... | 10/10/2000 |
