Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202839 | Process for the storing of drawing data by means of a cad film-card laser plotter, a microfilm card and a cad film-card laser for its implementation | Ulrich Welp, Dan Hossu | 1993-04-13 |