Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D306175 | Magnifier | David Fulton Francis | 1990-02-20 |
| D303977 | Magnifier | David Fulton Francis | 1989-10-10 |
| D303119 | Magnifier | David Fulton Francis | 1989-08-29 |
| D299173 | Flashlight | David Hillary Powell, David Edward Maddison, Richard Seymour | 1988-12-27 |
| D296477 | Flashlight | David Hillary Powell, David Edward Maddison, Richard Seymour | 1988-06-28 |
| D296478 | Flashlight | David Hillary Powell, David Edward Maddison, Richard Seymour | 1988-06-28 |
| D289480 | Module for liquid detergent pump and control components | Wilhelmus K. der Kinderen, David Edward Maddison | 1987-04-28 |