Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689669 | Graphical user interface for navigating between levels displaying hallway and room metaphors | Kevin Lynch, Andrew J. Hertzfeld | 1997-11-18 |
| 5611031 | Graphical user interface for modifying object characteristics using coupon objects | Andrew J. Hertzfeld, Susan Kare | 1997-03-11 |