Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913162 | System and method for collaborative annotation using a digital pen | Gary G. Hansen, Jean-Hiram Coffy, Michael Christoff | 2011-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913162 | System and method for collaborative annotation using a digital pen | Gary G. Hansen, Jean-Hiram Coffy, Michael Christoff | 2011-03-22 |