Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11412842 | Deployable chair and desk assembly | — | 2022-08-16 |
| 8594018 | Ranging for wireless radio frequency communication devices | Stephen Braithwaite, Andrew Ackland | 2013-11-26 |
| 8519906 | Locating system | Andrew Ackland, Stephen Braithwaite | 2013-08-27 |
| D638394 | Miniature electronic transmitter | Adrian Stokes | 2011-05-24 |
| D565976 | Hand-held electronic locator device | Adrian Stokes | 2008-04-08 |
| 6178320 | Radio receiver with a double-balanced mixer circuit having signal damping elements | Andreas Wichern | 2001-01-23 |
| 5953643 | Receiver circuit | John D. Speake | 1999-09-14 |
| 5732110 | Receiver having an adjustable symbol slice demodulator | — | 1998-03-24 |
| 5073760 | D.C. blocking amplifier | — | 1991-12-17 |