Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9607600 | Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers | Daniel Peter Elford, Feodor Kusmartsev, Luke Chalmers | 2017-03-28 |
| 8789652 | Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers | Daniel Peter Elford, Feodor Kusmartsev, Luke Chalmers | 2014-07-29 |