Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614450 | Spout-filling composition and method for applying | — | 1997-03-25 |
| 4487631 | Shot-free millboard | Steve A. LaPrade, John T. Martin | 1984-12-11 |
| 4407969 | Flexible refractory composition | Joseph Widener, Steve A. LaPrade | 1983-10-04 |
| 4341561 | Foamed insulating refractory | Charles C. Logue | 1982-07-27 |