Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10147404 | Capo | — | 2018-12-04 |
| 9953622 | Capo | — | 2018-04-24 |
| D801426 | Capo | — | 2017-10-31 |
| D768233 | Capo | — | 2016-10-04 |
| 9035161 | Capo | — | 2015-05-19 |
| D728672 | Capo | — | 2015-05-05 |
| 8474453 | Inhaler | Stephen William Eason, Matthew Neil Sarkar, Graham Gibbins, Howard William Biddle, Tristian Roger Thornhill +1 more | 2013-07-02 |
| 8336733 | Spray dispenser with compressed gas container | Karen Laws, Duncan James Bradley, Tristian Roger Thornhill | 2012-12-25 |
| 7939736 | Adjustable lever arm capo | — | 2011-05-10 |
| 7745710 | Spring capo | — | 2010-06-29 |
| 7557281 | Adjustable neck mounting assembly for a stringed instrument | — | 2009-07-07 |
| D585479 | Guitar transposition tool | — | 2009-01-27 |
| 6635813 | Capo | — | 2003-10-21 |
| 4407033 | Combination toe and side lasting machine | Derek H. Garner, Frank C. Price, Philip Reader, David W. Whittingham, Anthony M. White +1 more | 1983-10-04 |