Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633619 | Interlock assembly for a fusible switch having an operating mechanism | Calvin Oetjen, Antanas V. Narusevicius | 1997-05-27 |
| 5386868 | Apparatus and method of cooling refractory sand based on dew point temperature | Jack R. Kingman | 1995-02-07 |