Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904143 | Apparatus and method for logging events that occur when interacting with an automated call center system | Patrick Peterson | 2005-06-07 |
| 5642753 | Valve unloader assembly | Ethan P. Thistle, John R. Metcalf | 1997-07-01 |