Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D764656 | Compact mask with changeable filters | Roman Skov, Frank Kern | 2016-08-23 |
| 9314056 | Breathing mask | Roman Skov, Heinz Wandel, Frank Kern | 2016-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D764656 | Compact mask with changeable filters | Roman Skov, Frank Kern | 2016-08-23 |
| 9314056 | Breathing mask | Roman Skov, Heinz Wandel, Frank Kern | 2016-04-19 |