Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979997 | Concrete mixture and method of forming the same | Mohammed Imbabi, Jim Min Wong | 2015-03-17 |
| 4436546 | Fertilizer material from apatite | Richard P. Gunawardane | 1984-03-13 |
| 4363650 | Fertilizer material from apatite | Richard P. Gunawardane | 1982-12-14 |