Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163497 | Method of and apparatus for forming sand molds | Thomas E. Wuepper, Keith R. Grauherr, Alfred D. Philo | 1992-11-17 |
| 4976303 | Method of and apparatus for forming sand molds | Thomas E. Wuepper, Keith R. Grauherr, Alfred D. Philo | 1990-12-11 |