Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028021 | Aggregating device collection data | Donald J. Gathman, Burton H. Poppenga | 2006-04-11 |
| 6865603 | Correcting for network address changes | Donald J. Gathman, Burton H. Poppenga | 2005-03-08 |
| 6819922 | Personal digital assistant vehicle interface and method | — | 2004-11-16 |