Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092522 | Powder inhaler having capsule holding structure and anti-static walls | John Richard Calvert, Robert Stanley Cook, Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin +1 more | 2000-07-25 |
| 5908639 | Inhalation powder containing antistatic agent | Gordon T. Simpkin, Ann-Marie Leighton | 1999-06-01 |
| 5896855 | Multi dose inhaler apparatus | Michael A. Hobbs, John Richard Calvert, Robert Stanley Cook, Gordon T. Simpkin | 1999-04-27 |
| 5797391 | Inhaler | Robert Stanley Cook, Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin | 1998-08-25 |
| 5522383 | Powder inhaler having capsule holding structure and anti-static walls | John Richard Calvert, Robert Stanley Cook, Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin +1 more | 1996-06-04 |
| 4193801 | Process for producing photographic silver halide material | Howard R. Hopwood | 1980-03-18 |