Number | Date | Country | Kind |
---|---|---|---|
2035947 | Dec 1993 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
D320982 | Siddoway | Oct 1991 | |
D352033 | Robertson, Jr. et al. | Nov 1994 | |
D352714 | Ichikawa et al. | Nov 1994 |
Entry |
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Computers and Communications brochur, dated 1989, NEC Voiepoint, an Audio onference Terminal with Acoustic Echo Canceller. |
Crown brochour, date Nov. 1990, Pressure Zone Microphone. |