Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8446677 | Valve device for a variable focus lens | Gregor Storey | 2013-05-21 |
| 8441737 | Variable focus lens and spectacles | Justin Buch, Miranda Newbery, Andrew Roberston, Richard Taylor, Jonathan White | 2013-05-14 |
| 5266905 | Audio amplifier with amplified feedback | — | 1993-11-30 |
| 4647872 | Cascode amplifier | — | 1987-03-03 |