Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460599 | Reinforced ceramic shell mold and method of making same | John Corrigan | 2002-10-08 |
| 6364000 | Reinforced ceramic shell mold and method of making same | John Corrigan | 2002-04-02 |