Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6125893 | Container for liquid anaesthetic agent | Robert E. Braatz, Raymond S. Gregory, Robert A. Heaton, Keith Whitaker | 2000-10-03 |
| D426220 | Handsfree emergency telephone | — | 2000-06-06 |
| 5617906 | Container for anaesthetic agent | Robert E. Braatz, Raymond S. Gregory, Robert A. Heaton, Keith Whitaker | 1997-04-08 |
| 5381836 | Fluid delivery system | Robert E. Braatz, Raymond S. Gregory, Robert A. Heaton, Keith Whitaker | 1995-01-17 |
| 5372127 | Sump for an anaesthetic vaporiser | David J. Thwaites | 1994-12-13 |
| 4714090 | Mixing apparatus for gases | — | 1987-12-22 |