Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247414 | Construction system for building three-dimensional structures | Gerhard Sikora | 2001-06-19 |
| 6062150 | System for producing three dimensional structures | Gerhard Sikora | 2000-05-16 |