Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683623 | System and method for providing and accessing educational information over a computer network | Douglas J Heller, Jonathan Schmalzbach | 2004-01-27 |
| D455435 | Computer generated image for a display screen | Douglas J Heller, Jonathan Schmalzbach | 2002-04-09 |
| D455436 | Computer generated image for a display screen | Douglas J Heller, Jonathan Schmalzbach | 2002-04-09 |