| Number | Date | Country | Kind |
|---|---|---|---|
| 2-009626 | Jan 1990 | JPX |
This is a continuation of application Ser. No. 642,994, filed Jan. 18, 1991.
| Number | Name | Date | Kind |
|---|---|---|---|
| 4475239 | Van Raamsdonk | Oct 1984 | |
| 4839634 | More et al. | Jun 1989 | |
| 4855725 | Fernandes | Aug 1989 | |
| 4965558 | Saki et al. | Oct 1990 | |
| 5075675 | Barker et al. | Dec 1991 | |
| 5347628 | Brewer et al. | Sep 1994 |
| Number | Date | Country |
|---|---|---|
| 0 120 977 | Oct 1984 | EPX |
| 0 331 329 | Sep 1989 | EPX |
| 2193827 | Feb 1988 | GBX |
| WO 8901658 | Feb 1989 | WOX |
| Entry |
|---|
| "A Taxonomy of Window Manager User Interfaces", IEEE Computer Graphics and Applications, Sep. 1988, No. 5, pp. 65-84. |
| "Using MacWrite and MacPaint", Tim Field, pp. 4, 8, 14, 22, 43-47, and 155, 1984. |
| "WordPerfect", Karen L. Acerson, 1988 pp. 2, 75, 76, 530, 1081. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 642994 | Jan 1991 |