Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5054793 | Resilient gasket with spacers | George C. Hedge | 1991-10-08 |
| 4875517 | Method of producing salt cores for use in die casting | Raymond J. Donahue, Terrance M. Cleary, Daniel H. Marcellis | 1989-10-24 |