| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Mexico | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lyles Cosmos | 14 |
| #2 | Dowd Paul | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US2018040312A1 | String tensioner for stringed instrument | |
| US2016225352A1 | Constant tension device | |
| CA2646298A1 | Stringed musical instrument using spring tension | |
| EP1902440A1 | Stringed instrument that maintains relative tune | |
| US2006288841A1 | Stringed musical instrument |