Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929029 | Brush manufacturing method | Edward W. Deziel, John T. Rueb, Mark D. Sorlien, David W. Erismann | 1990-05-29 |
| 4821359 | Brush and its manufacturing method | Edward W. Deziel, John T. Rueb, Mark D. Sorlien, David W. Erismann | 1989-04-18 |