Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092522 | Powder inhaler having capsule holding structure and anti-static walls | John Richard Calvert, Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin, Roy Trunley +1 more | 2000-07-25 |
| 5896855 | Multi dose inhaler apparatus | Michael A. Hobbs, John Richard Calvert, Roy Trunley, Gordon T. Simpkin | 1999-04-27 |
| 5797391 | Inhaler | Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin, Roy Trunley | 1998-08-25 |
| 5522383 | Powder inhaler having capsule holding structure and anti-static walls | John Richard Calvert, Michael A. Hobbs, Ann-Marie Leighton, Gordon T. Simpkin, Roy Trunley +1 more | 1996-06-04 |
| 4271254 | Process for producing photographic images | Leslie F. A. Mason, David Kilcast, Matthias Schellenberg, Christoph Chylewski | 1981-06-02 |