Referenced by|
| US4014320 | 14 May 1975 | 29 Mar 1977 | | Audiometric apparatus | | US4025733 | 9 Oct 1975 | 24 May 1977 | American Electromedics Corporation | Pressure seal headband | | US4299303 | 20 Mar 1980 | 10 Nov 1981 | | Noise attenuating stethoscope | | US6741719 | 6 Mar 2001 | 25 May 2004 | Meditron AS | Head phone | | US7082207 | 14 Dec 2001 | 25 Jul 2006 | Motorola, Inc. | Adjustable behind-the-ear communication device | | USD335709 | 31 May 1991 | 18 May 1993 | | Binaural headpiece for a stethoscope |
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