Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7505823 | Acoustic communication system | David Bartlett, Michael Raymond Reynolds, David Alexander Butler, Peter John Kelly | 2009-03-17 |
| 5697166 | Measuring accessory for adjustable wrench | — | 1997-12-16 |