Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459255 | Respiratory muscle training device | David Alastair Spurling, Darren Hoe Yung Lam, Andrew C. Skelton, Franjo Cecelja, Peter Broomhead | 2013-06-11 |
| 6554746 | Inspiratory muscle training device with variable loading | Michael Peter Caine, Graham Keith Lacy | 2003-04-29 |