Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D406524 | Floating nut anchor for concrete construction | Thomas W. Steenson | 1999-03-09 |
| 4271737 | Movable insulation puncher | Thomas W. Steenson | 1981-06-09 |
| 4272065 | Building panel erection brackets | Thomas W. Steenson | 1981-06-09 |
| 4194333 | Attachment for mounting concrete wall panels on a building | Thomas W. Steenson | 1980-03-25 |