Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724889 | Degating technique for clustered castings made by ECP | William C. Priestley, Duane E. Becknell | 1988-02-16 |
| 4210195 | Method of treating cast iron using packaged granular molten metal treatment mold inserts | — | 1980-07-01 |