Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883519 | Strap for a full respirator mask | John F. Kuhn, Wilfried Hoffmann | 2005-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883519 | Strap for a full respirator mask | John F. Kuhn, Wilfried Hoffmann | 2005-04-26 |