Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788896 | Method of producing micron sized sulphur granules | Edward Frank Bertram, William Chee Kay, James Kenneth Laidler | 1998-08-04 |
| 4497635 | Sulfur remelting | — | 1985-02-05 |
| 4369024 | Brick molding machine | John G. Medway | 1983-01-18 |
| 4325684 | Brick molding machine | John G. Medway | 1982-04-20 |