Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542964 | Method of air purification | Curt J. Lawnicki, Arthur E. McIvor | 1996-08-06 |
| 5401299 | Air purification apparatus | Curt J. Lawnicki, Thomas M. Smedley | 1995-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542964 | Method of air purification | Curt J. Lawnicki, Arthur E. McIvor | 1996-08-06 |
| 5401299 | Air purification apparatus | Curt J. Lawnicki, Thomas M. Smedley | 1995-03-28 |