Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199366 | Fiber-reinforced cement-like material | Peter Schaefer, Wolfgang Griehl, Peter Meier | 1980-04-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199366 | Fiber-reinforced cement-like material | Peter Schaefer, Wolfgang Griehl, Peter Meier | 1980-04-22 |