| Number | Date | Country | Kind |
|---|---|---|---|
| 6-189519 | Aug 1994 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5033804 | Faris | Jul 1991 | |
| 5063600 | Norwood | Nov 1991 | |
| 5245532 | Mourier | Sep 1993 | |
| 5377309 | Sonobe et al. | Dec 1994 | |
| 5621727 | Vaudreuil | Apr 1997 |
| Number | Date | Country |
|---|---|---|
| 0438017 | Jul 1991 | EPX |
| 0562995 | Sep 1993 | EPX |
| 56378 | Jan 1993 | JPX |
| 668063 | Mar 1994 | JPX |
| 9101022 | Jan 1991 | WOX |
| 9314844 | Aug 1993 | WOX |
| Entry |
|---|
| Marcus A. et al., "User-Interface Developments for the Nineties", Computer, pp. 49-57, vol. 24, No. 9, Sep. 1, 1991. |