Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797042 | Pyramid air cleaner | Dan Martin | 2004-09-28 |
| D482110 | Pyramid air cleaner | Dan Martin | 2003-11-11 |
| D482111 | Pyramid air cleaner | Dan Martin | 2003-11-11 |
| D475444 | Pyramid air cleaner | Dan Martin | 2003-06-03 |