Patent Grant
D421606
| Number | Name | Date | Kind |
|---|---|---|---|
| D271487 | Breger | Nov 1983 | |
| D286774 | Geis et al. | Nov 1986 | |
| D292919 | Lagerbielke et al. | Nov 1987 | |
| D300628 | Wu | Apr 1989 | |
| D305118 | Pfeifer et al. | Dec 1989 | |
| D306730 | Sugano et al. | Mar 1990 | |
| D313995 | Azpeita Ortizd.Arri | Jan 1991 | |
| D325031 | Chan | Mar 1992 | |
| D332450 | Kolinen | Jan 1993 | |
| D346383 | Mehle-Hohnjec et al. | Apr 1994 | |
| D347732 | Hinman et al. | Jun 1994 | |
| D349899 | Siddoway et al. | Aug 1994 | |
| D352944 | Lee | Nov 1994 | |
| D354487 | Nogas | Jan 1995 | |
| D363285 | Vessey et al. | Oct 1995 | |
| D371782 | Behar et al. | Jul 1996 | |
| D372028 | Mo | Jul 1996 | |
| D373585 | Nagele et al. | Sep 1996 | |
| D374230 | Nuttall et al. | Oct 1996 | |
| D375741 | Mo | Nov 1996 | |
| D377793 | Biasotti et al. | Feb 1997 | |
| D379353 | Biasotti et al. | May 1997 | |
| D379811 | Biasotti et al. | Jun 1997 | |
| D381331 | Biskup et al. | Jul 1997 | |
| D381332 | Biasotti et al. | Jul 1997 | |
| D381656 | Biskup et al. | Jul 1997 | |
| D382265 | Bradley et al. | Aug 1997 | |
| D384658 | Backs et al. | Oct 1997 | |
| D384664 | Backs et al. | Oct 1997 | |
| D384954 | Nuttall et al. | Oct 1997 | |
| D384956 | Chong | Oct 1997 | |
| D386496 | Backs et al. | Nov 1997 | |
| D388085 | Diamantis et al. | Dec 1997 | |
| D388087 | Diamantis et al. | Dec 1997 | |
| D388433 | Lepack | Dec 1997 | |
| D391955 | Nagele et al. | Mar 1998 | |
| D399201 | Zeitman | Oct 1998 | |
| D411995 | Chen | Jul 1999 | |
| 5912967 | Gaffney et al. | Jun 1999 |
| Entry |
|---|
| Speakerphone 906, http://telephones.att.com, pp. 1-2. Jun. 16, 1999. |
| 2-Line Speakerphone 922, http://telephone.att.com, pp. 1-3. Jun. 16, 1999. |
| Hello Direct p. 45, Conference Pro, Spr 1997. |
