Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964988 | Horizontal belt filter guide | — | 1990-10-23 |
| 4773851 | Tunnel kiln adapted for firing frost-resistant bricks in a reducing atmosphere | — | 1988-09-27 |
| 4697511 | Composite roll covering for expressing machines | Steven S. Davis, Kenneth F. Janecek | 1987-10-06 |
| 4336139 | Vacuum pan raising and lowering system | Dirk Vandertoolen, Gerald Minear | 1982-06-22 |
| 4211832 | Lithium-halogen cell including monomer charge transfer complex | Curtis F. Holmes | 1980-07-08 |