Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481490 | Investment casting patterns and method | Joseph M. Vihtelic, Jiri E. Kresta, Kurt C. Frisch | 2002-11-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481490 | Investment casting patterns and method | Joseph M. Vihtelic, Jiri E. Kresta, Kurt C. Frisch | 2002-11-19 |