Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625902 | Protective hood made of an elastic material | Ralf Drews | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625902 | Protective hood made of an elastic material | Ralf Drews | 1997-05-06 |