Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762305 | Ramming mix for forming a mullite-corundum lining within a foundry furnace | — | 1988-08-09 |
| 4702304 | Foundry mold for cast-to-size zinc-base alloy | — | 1987-10-27 |
| 4346556 | Insulating engine exhaust port liner | Gary A. Kruger | 1982-08-31 |
| 4245611 | Ceramic insulated engine pistons | Harry R. Mitchell | 1981-01-20 |
| 4221596 | Method for low pressure forming of fused silica compositions and resultant bodies | — | 1980-09-09 |