Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673525 | Insulating connector rods used in making highly insulated composite wall structures | David M. Hansen | 1997-10-07 |
| 5606832 | Connectors used in making highly insulated composite wall structures | David M. Hansen | 1997-03-04 |