Number | Date | Country | Kind |
---|---|---|---|
4-117760 | May 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1936947 | Morgenstern | Nov 1933 | |
3618128 | Houcke | Nov 1971 | |
4196321 | Bosik | Apr 1980 | |
4446340 | Fryer | May 1984 | |
4528677 | Ise et al. | Jul 1985 | |
4815106 | Propp et al. | Mar 1989 | |
4993045 | Alfonso | Feb 1991 | |
5343461 | Barton et al. | Aug 1994 |
Entry |
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"T7264 U-Interface 2B1Q Transceiver", AT&T Microelectronics, Jun. 1991. |
"LH1465AB ISDN de Termaination IC", AT&T, Nov. 1991. |