Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071901 | Safety switch | Derek W. Jones, Derek Sawyer | 2011-12-06 |
| 7932644 | Safety switch | Derek Sawyer | 2011-04-26 |
| 7928330 | Safety switch | David Williams, Gillian P Parker, David Howard Kerr, Derek W. Jones, Derek Sawyer +4 more | 2011-04-19 |