Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362183 | Spring loaded safety valve | Karl-Heinz Schaaf | 1982-12-07 |
| 4324121 | Key ring | — | 1982-04-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362183 | Spring loaded safety valve | Karl-Heinz Schaaf | 1982-12-07 |
| 4324121 | Key ring | — | 1982-04-13 |