Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522788 | Proximate analyzer | Sherman L. Walker | 1985-06-11 |
| 4419754 | Furnace electrode | Roger L. Bredeweg | 1983-12-06 |
| 4404461 | Method and apparatus for controlling an analytical furnace | Richard B. Haigh | 1983-09-13 |
| 4398836 | Calorimeter | — | 1983-08-16 |
| 4290296 | Method and apparatus for gas dosing for linearization | Roger L. Bredeweg | 1981-09-22 |
| 4234541 | Combustion chamber cleaning apparatus | Roger L. Bredeweg | 1980-11-18 |