Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584876 | Wire injector apparatus | Joseph R. Waitlevertch, Frank A. Sokolowski | 2009-09-08 |
| 6010658 | Apparatus for desulfurization of iron utilizing two spaced apart lances | Michael Ross, Larry J. Epps, Joseph R. Waitlevertch | 2000-01-04 |
| 5108075 | Orifice valve assembly | Larry J. Epps, Robert C. Kays | 1992-04-28 |