Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889725 | Means to promote the neutralization reaction between particulate calcium carbonate and ionized phosphate | — | 1989-12-26 |
| 4882994 | Particulate fuel components for solid propellant systems | Ove Hansen | 1989-11-28 |