Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825620 | Structural support of interlocking lattice construction | — | 1989-05-02 |
| 4809146 | Enclosure with interlocking frame joints | — | 1989-02-28 |
| 4797386 | Superconductor-magnet induced separation | Ernst M. Gyorgy, Frances Hellman | 1989-01-10 |