Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488900 | Method and apparatus for air purification | Charles J. Call, Mike Powell, Seung Ho Hong, Ezra Merrill, Patrick Call | 2002-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488900 | Method and apparatus for air purification | Charles J. Call, Mike Powell, Seung Ho Hong, Ezra Merrill, Patrick Call | 2002-12-03 |