Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9152624 | Systems and methods for visual presentation and navigation of content using data-based image analysis | Charles William Krallman | 2015-10-06 |
| 5264992 | Modular computer system having self contained workslate unit detachably coupled to base unit including keyboard | Per Hogdahl, William B. Hart, Charles William Krallman | 1993-11-23 |