Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631020 | Segmented blow pin for molding machines employing replaceable cutting ring | Robert E. Frankenberg | 1986-12-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631020 | Segmented blow pin for molding machines employing replaceable cutting ring | Robert E. Frankenberg | 1986-12-23 |