Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380183 | Venting device for rotocase shell molds | Charles L. Piazza | 1995-01-10 |
| 5094608 | Rotational mold apparatus | Charles L. Piazza | 1992-03-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380183 | Venting device for rotocase shell molds | Charles L. Piazza | 1995-01-10 |
| 5094608 | Rotational mold apparatus | Charles L. Piazza | 1992-03-10 |