Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603522 | Hingeable connection device for thru the slab connections in foldable building construction | — | 1986-08-05 |
| 4557099 | Method of constructing foldable concrete slab buildings with access slots thru ceiling slabs for installing hingeable connectors | — | 1985-12-10 |
| 4528793 | Method of constructing precast concrete building with ductile concrete frame | — | 1985-07-16 |
| 4497154 | Method of constructing and assembling building elements for foldably constructed stadiums | — | 1985-02-05 |
| 4437272 | Insert for foldable concrete building construction with pivot connections, integral lifting bar, and building height control bar | — | 1984-03-20 |
| 4314775 | Method of site casting tunnels, culverts, pressure pipes with minimum forming | — | 1982-02-09 |