Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559214 | Particulate calcium carbonate | Donald K. Howard, Michael J. Lees | 1985-12-17 |
| 4541834 | Peat extrusion apparatus | — | 1985-09-17 |
| 4495716 | Apparatus for harvesting peat | Peter Finan, Michael Divilly | 1985-01-29 |
| 4192744 | Treatment of aqueous systems | David R. Clark, Alan Marshall | 1980-03-11 |
| 4189383 | Novel compositions of matter for use in the treatment of aqueous systems | Peter Miles, Norman Richardson | 1980-02-19 |