Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572078 | Changover valve | Peter David Gammack, Robert Brian Seaman | 2003-06-03 |
| 6519807 | Cleaner head assembly for a vacuum cleaner | — | 2003-02-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572078 | Changover valve | Peter David Gammack, Robert Brian Seaman | 2003-06-03 |
| 6519807 | Cleaner head assembly for a vacuum cleaner | — | 2003-02-18 |