Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477896 | Indicator for reflecting direction of airflow between two rooms | — | 2002-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477896 | Indicator for reflecting direction of airflow between two rooms | — | 2002-11-12 |