Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357289 | Method for the production of building elements of the lightweight concrete type | — | 1982-11-02 |
| 4315761 | Method for binding and clearing animal waste products | Karl I. Larrson | 1982-02-16 |