Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769671 | Device and method for indicating the amount of water contained in a humidifier water bottle | Mark J. Tomasiak, Charles F. Wiegand | 2004-08-03 |
| 6679483 | Dry out mechanism for humidifier | Terrence L. Stanek | 2004-01-20 |