Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163629 | Shredder cutting discs | Donald E. Raterman, Heinz W. Schrieter | 1992-11-17 |
| 4693428 | Particle-type shredding mechanism | Donald E. Raterman | 1987-09-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163629 | Shredder cutting discs | Donald E. Raterman, Heinz W. Schrieter | 1992-11-17 |
| 4693428 | Particle-type shredding mechanism | Donald E. Raterman | 1987-09-15 |