Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8851423 | Air-film vibration damping apparatus for windows | Thomas M. Lewis | 2014-10-07 |
| 8439154 | Air-film vibration damping apparatus for windows | Thomas M. Lewis | 2013-05-14 |
| 8082707 | Air-film vibration damping apparatus for windows | Thomas M. Lewis | 2011-12-27 |
| 7721844 | Vibration damping apparatus for windows using viscoelastic damping materials | Thomas M. Lewis | 2010-05-25 |