Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398909 | Channel beam and T-bolt system | — | 1995-03-21 |
| 5219473 | Adjustable concrete formwork system | — | 1993-06-15 |
| 4881482 | Floating storage facility for fluid-like materials | Daniel Wittenberg | 1989-11-21 |