Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11237552 | Flight termination system for unmanned aircraft systems | David S. Giessel | 2022-02-01 |
| D915233 | Radio frequency detector | David S. Giessel | 2021-04-06 |
| D904211 | Wearable radio frequency detector | David S. Giessel, Alfred Corbett Upton | 2020-12-08 |
| D882540 | Portable radio frequency detector | David S. Giessel | 2020-04-28 |
| 10516147 | Battery pack with reduced magnetic field emission | David S. Giessel | 2019-12-24 |
| 5422955 | Wireless amplification system for musical instruments | Elias Guzman | 1995-06-06 |