Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378234 | Coil polymer composite | Gary R. Hammerslag, Mark B. Nielsen | 1995-01-03 |
| 4407237 | Economizer with soot blower | — | 1983-10-04 |
| 4346674 | Economizer with soot blower | — | 1982-08-31 |