Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539717 | Electronic control for door/window | W. Kip Speyer, Jonathan D. Thielmann | 2013-09-24 |
| 6680589 | Relay contact monitoring device | David Neranjan | 2004-01-20 |
| 6580789 | Automated prefix dialing system | Claude O. Simpson, David G. Storm, Rong Zeng | 2003-06-17 |