Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823965 | Device for reflectometric examination and measurement of cavities | — | 1998-10-20 |
| 5164707 | Detection system for safety equipment | Richard Salisbury | 1992-11-17 |
| 4975967 | Earplug for noise protected communication between the user of the earplug and surroundings | — | 1990-12-04 |