Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742031 | Method and apparatus for operating a downdraft cooking vapor withdrawal systems | Paul H. Kelly | 1998-04-21 |
| 5619982 | Method and apparatus for operating a downdraft cooking vapor withdrawal system | Paul H. Kelly | 1997-04-15 |