Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312828 | Method for opening die sections | Donald W. Staiger | 1982-01-26 |
| 4240781 | Injection molding machine having dual tonnage traversing cylinder | Donald W. Staiger | 1980-12-23 |