Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318194 | Furnace tube inspection apparatus | Mark Marvin, David H. Bothell, Steven Robert Lalumandier, Thomas Cowling | 2001-11-20 |
| 5698042 | Method of cleaning furnace headers | Peggy L. Sims, Joseph L. Greene | 1997-12-16 |