Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368627 | Mat or rug cleaning system | James B. Williams | 1983-01-18 |
| 4226641 | Mat or rug cleaning process using roller brush | James B. Williams | 1980-10-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368627 | Mat or rug cleaning system | James B. Williams | 1983-01-18 |
| 4226641 | Mat or rug cleaning process using roller brush | James B. Williams | 1980-10-07 |