Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831363 | Article security system | — | 1989-05-16 |
| 4800128 | Chemical attack-resistant, liquid-tight lining | Eckhard Schacht, Dieter Velte, Wolfgang Werner | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831363 | Article security system | — | 1989-05-16 |
| 4800128 | Chemical attack-resistant, liquid-tight lining | Eckhard Schacht, Dieter Velte, Wolfgang Werner | 1989-01-24 |