Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D446139 | Gas sensor | — | 2001-08-07 |
| 5073640 | Cyclicdihydroxy compounds | — | 1991-12-17 |
| 5036009 | Biochemical process | — | 1991-07-30 |
| RE33307 | Cyclic hydroxy compounds | Michael Drysdale Turnbull | 1990-08-21 |
| 4877740 | Production of cells | — | 1989-10-31 |
| 4803473 | Transmitter cover | — | 1989-02-07 |
| D297317 | Gas detector | — | 1988-08-23 |
| D297318 | Smoke detector chamber | — | 1988-08-23 |
| D297219 | Smoke detector cover with light | — | 1988-08-16 |
| D297270 | Smoke detector base | — | 1988-08-16 |
| 4758518 | D-2-haloalkanoic acid halidohydrolase | — | 1988-07-19 |
| 4740638 | Cyclic hydroxy compounds | Michael Drysdale Turnbull | 1988-04-26 |
| 4508822 | Biochemical process | — | 1985-04-02 |
| 4233685 | Radio for receiving and reproducing information broadcast on the intermediate frequency | — | 1980-11-11 |