Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513923 | Variable impedance air filter for electronic systems | Donald C. Lewis, John I. Kull | 2009-04-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513923 | Variable impedance air filter for electronic systems | Donald C. Lewis, John I. Kull | 2009-04-07 |