Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE49651 | Apparatus for characterizing particles and method for use in characterizing particles | David Spriggs | 2023-09-12 |
| 6800251 | Sample handling system | Duncan Stephenson | 2004-10-05 |
| 6778271 | Measurement of particle size distribution | David J. Watson, Duncan Stephenson | 2004-08-17 |
| 6226962 | Containers of particulate material | Stephen William Eason, David Peter Griffin | 2001-05-08 |
| 6177994 | Relating to the measurement of particle size distribution | David J. Watson, Duncan Stephenson | 2001-01-23 |
| 5769073 | Powder inhalator | Stephen William Eason, Roger William Clarke, Donna Joy Wilson | 1998-06-23 |
| 5617971 | Device for administering single doses of a medicament | Stephen William Eason, Roger William Clarke | 1997-04-08 |
| 5560518 | Fluid delivery system | Ian Michael Daines Gaylor, William George Dando | 1996-10-01 |