Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913217 | Locators for expendable core in die casting die | Byron W. Koch, John J. McGarigal | 1990-04-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913217 | Locators for expendable core in die casting die | Byron W. Koch, John J. McGarigal | 1990-04-03 |