Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976078 | Process for simultaneous user access using access control structures for authoring systems | Neal M. Keller, Lisa M. Ungar | 2005-12-13 |
| 6839878 | Mechanism for displaying content using control structure for authoring systems | Neal M. Keller, Lisa M. Ungar | 2005-01-04 |
| 6816906 | Mechanism for building access control structures for authoring systems | Neal M. Keller, Lisa M. Ungar | 2004-11-09 |
| 6662181 | Mechanism for selection using access control structures for authoring systems | Neal M. Keller, Lisa M. Ungar | 2003-12-09 |