Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954530 | Echo cancellation filter | — | 2005-10-11 |
| 6854642 | System for vending products and services using an identification card and associated methods | Jonathan Metcalf, Robert J. O'Leary, Merlyn Barth, Erik Peterson, Heath Rogers | 2005-02-15 |