Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8486525 | Method and apparatus having two surfaces for sealing distribution ducts | — | 2013-07-16 |
| 8178197 | Method and apparatus having three surfaces for sealing distribution ducts | — | 2012-05-15 |
| 8173235 | Method and apparatus having four surfaces for sealing distribution ducts | — | 2012-05-08 |