Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365890 | Open beam sootblower | Jesse C. Johnston, Jr., James S. Kulig, Steven F. Lewis | 1994-11-22 |
| 5299533 | Open beam sootblower | Jesse C. Johnston, Jr., James S. Kulig, Steven F. Lewis | 1994-04-05 |