Issued Patents All Time
Showing 1–4 of 4 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, Gordon T. Simpkin, Roy Trunley +1 more | 2000-07-25 |
| 5908639 | Inhalation powder containing antistatic agent | Gordon T. Simpkin, Roy Trunley | 1999-06-01 |
| 5797391 | Inhaler | Robert Stanley Cook, Michael A. Hobbs, Gordon T. Simpkin, Roy Trunley | 1998-08-25 |
| 5522383 | Powder inhaler having capsule holding structure and anti-static walls | John Richard Calvert, Robert Stanley Cook, Michael A. Hobbs, Gordon T. Simpkin, Roy Trunley +1 more | 1996-06-04 |