Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711920 | Lavatory cleansing blocks | Eric Dennis Barford, Daniel Jeffrey, John Marshall | 1998-01-27 |
| 4460490 | Lavatory cleansing blocks | Eric Dennis Barford, Daniel Jeffrey | 1984-07-17 |