Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564243 | Insulative wall cladding having insulation boards fitting together to form channels and fire-retardant panels disposed therein | Richard E. Kroll, Vincent Tamburrini | 1996-10-15 |
| 5392578 | Insulative wall cladding having insulation boards fitting together to form channels and fire-retardant panels disposed therein | Richard E. Kroll, Vincent Tamburrini | 1995-02-28 |
| 5363621 | Insulative wall cladding having insulation boards fitting together to form channels | Richard E. Kroll, Vincent Tamburrini | 1994-11-15 |