Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915435 | Expandable duster assembly | Joseph M. Wilen | 1999-06-29 |
| D349193 | Combined brush and scraper | David B. Joyner | 1994-08-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915435 | Expandable duster assembly | Joseph M. Wilen | 1999-06-29 |
| D349193 | Combined brush and scraper | David B. Joyner | 1994-08-02 |