Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088546 | Vacuum-assisted counter gravity casting apparatus with valve to prevent flow of melt from mold | Anthony C. Greanias, James B. Mercer, Wilmer G. Schaeff | 1992-02-18 |
| 5070930 | Countergravity casting apparatus | James B. Mercer, Thomas E. Wenzel | 1991-12-10 |
| 5062466 | Countergravity casting apparatus and method | James B. Mercer, Wilmer G. Schaeff, Thomas E. Wenzel | 1991-11-05 |
| 5062467 | Vacuum countergravity casting apparatus and method | Paul D. Wilczynski | 1991-11-05 |
| 5035277 | Counter gravity casting apparatus | — | 1991-07-30 |
| 4971131 | Countergravity casting using particulate filled vacuum chambers | Charles P. Aubin, Joseph A. Knapke | 1990-11-20 |