Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7150832 | Apparatus for and a method of treating organic waste | — | 2006-12-19 | |
| 5086233 | Luminometers with sample container displacement controlled by ramped abutment | Ian Johnson, Clive Goodfield | 1992-02-04 | $1,983,000 |
| 5043141 | Injection systems for sample testing for luminometers | Stuart Wilson, Clive Goodfield, Ian Johnson | 1991-08-27 | |
| D299288 | Business card dispenser | — | 1989-01-10 | |
| 4755055 | Luminometer construction | Ian Johnson, Robert Hall | 1988-07-05 | |
| 4726899 | Apparatus for anaerobic digestion of organic waste | Stephen P. Etheridge, Colin Genner | 1988-02-23 | |
| D282399 | Water analysis laboratory | — | 1986-01-28 | |
| 4233155 | Apparatuses for the anaerobic digestion of natural organic waste | Dennis Hawkes, Rex Horton | 1980-11-11 |