Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038845 | Blow tube arrangement for core and mold making machinery | — | 1991-08-13 |
| 4210194 | Automatic method for producing molds using chemically bonded sands | Ronald A. Cina | 1980-07-01 |
| 4191239 | Blow plate structure and mold formed thereby | Ronald A. Cina | 1980-03-04 |