Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834814 | Adjustable pattern irrigation system | — | 2004-12-28 |
| 5146490 | Passive telephone line monitoring system | — | 1992-09-08 |
| 5031872 | Microphone noise frequency and vibration absorbing mount | R. Edward Vance | 1991-07-16 |