Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762006 | Compound curvature, domical structure for waste-to-energy facilities | Richard A. Ubaldi, Kevin J. Walls | 1998-06-09 |
| 5531170 | Compound curvature, domical structure for waste-to-energy facilities | Richard A. Ubaldi, Kevin J. Walls | 1996-07-02 |
| 4811783 | Heat exchanger tube bundle protection apparatus | Frederick D. Linzer | 1989-03-14 |