Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477605 | Asbestos-free friction materials | Clarence E. Albertson, Roger K. Nibert | 1984-10-16 |
| 4446203 | Asbestos-free friction materials | Clarence E. Albertson, Roger K. Nibert | 1984-05-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477605 | Asbestos-free friction materials | Clarence E. Albertson, Roger K. Nibert | 1984-10-16 |
| 4446203 | Asbestos-free friction materials | Clarence E. Albertson, Roger K. Nibert | 1984-05-01 |