Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018544 | Apparatus for cleaning heat exchanger tube bundles | Thomas B. Boisture, Larry D. McGrew, James D. Jeffrey, Robert G. Wetzel, Robert Allen Baten | 1991-05-28 |
| 5002120 | Multi-lance tube cleaning system | Thomas B. Boisture, Larry D. McGrew, James D. Jeffrey | 1991-03-26 |