Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10699688 | Acoustic attenuator | Daniel Peter Elford, Richard Wilson | 2020-06-30 |
| 9607600 | Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers | Gerard Michael Swallowe, Daniel Peter Elford, Feodor Kusmartsev | 2017-03-28 |
| 8789652 | Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers | Gerard Michael Swallowe, Daniel Peter Elford, Feodor Kusmartsev | 2014-07-29 |