Number | Name | Date | Kind |
---|---|---|---|
4012596 | West, Jr. et al. | Mar 1977 | |
5420854 | Hiraiwa | May 1995 | |
5784369 | ROmiti et al. | Jul 1998 | |
5832310 | Morrissey et al. | Nov 1998 |
Entry |
---|
Research Report/Patent Search/Jun. 12, 1997. |
Research Report/Literature Search/Jun. 12, 1997. |
Research Report/Patent Search/Jun. 13, 1997. |
Research Report/Literature Search/Jun. 13, 1997. |
MT8980D Digital Switch, Mitel Corporation, Nov. 1989. |