| Number | Name | Date | Kind |
|---|---|---|---|
| 5559527 | Quinn | Sep 1996 | A |
| 5596699 | Driskell | Jan 1997 | A |
| 5689667 | Kurtenbach | Nov 1997 | A |
| 5701424 | Atkinson | Dec 1997 | A |
| 5798760 | Vayda et al. | Aug 1998 | A |
| 5828360 | Anderson et al. | Oct 1998 | A |
| 6219053 | Tachibana et al. | Apr 2001 | B1 |
| 6285367 | Abrams et al. | Sep 2001 | B1 |
| Entry |
|---|
| IBM Technical Disclosure Bulletin, “Extended Pie Menu,” Feb. 1994, IBM Corp., vol. 37, No. 02B, p. 397.* |
| Don Hopkins, “The Design and Implementation of Pie Menus,” Dec. 1991, Dr. Dobb's Journal, 1-7.* |
| Lyons et al, “The Oval Menu—Evolution and Evaluation of a Widget,” 1996, IEEE, p. 252-259. |