Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162675 | Large fluid storage tank | Danny Kubek | 2024-12-10 |
| RE34788 | Pressure change intrusion detector | Elden E. DuRand, III | 1994-11-15 |
| 5351289 | Caller ID telephone security device | Elden E. DuRand, III | 1994-09-27 |
| 5185593 | Dual pressure change intrusion detector | Elden E. DuRand, III | 1993-02-09 |
| 4928085 | Pressure change intrusion detector | Elden E. DuRand, III | 1990-05-22 |
| 4719452 | Audio signal generator | — | 1988-01-12 |