Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949281 | Method and apparatus for generating and producing two-dimensional graphic object by polynominal parametric curves | Franz Hillenbrand, Klaus Schröer, Frank Rebs, Dietmar Sprenger | 1990-08-14 |