Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490294 | Pure salts of clavulanic acid, e.g. lithium clavulanate | David Noble, Hazel M. Noble, Wilfred F. Wall | 1984-12-25 |
| 4490295 | Pure sodium salt of clavulanic acid | David Noble, Hazel M. Noble (formerly Gillett), Wilfred F. Wall | 1984-12-25 |
| 4367175 | Pure potassium salt of clavulanic acid | David Noble, Hazel M. Noble formerly Gillett, Wilfred F. Wall | 1983-01-04 |