Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9259113 | Cordless electrical appliances | James Howitt, David Harper | 2016-02-16 |
| 4392746 | Portable photometer | Graham A. W. Rook | 1983-07-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9259113 | Cordless electrical appliances | James Howitt, David Harper | 2016-02-16 |
| 4392746 | Portable photometer | Graham A. W. Rook | 1983-07-12 |