Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351114 | Process for measuring using standard blocks and a standard measuring block | Hans Sigg, Heinz Wegmann, Ernst Waser | 1982-09-28 |
| 4246795 | Contact sensing head | Hans Sigg, Heinz Wegmann | 1981-01-27 |