Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658718 | Holder for processing products | Guy E. Buller-Colthurst | 1987-04-21 |
| 4409743 | Perforated walls and duct system | Guy E. Buller-Colthurst, Hans Bergner | 1983-10-18 |
| 4310020 | Processing chamber with an air flow reverser | Guy E. Buller-Colthurst, Hans Bergner | 1982-01-12 |
| 4250917 | Air flow reverser system | Hans Bergner, Guy E. Buller-Colthurst | 1981-02-17 |