Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837885 | Method and device for measuring the characteristics of an oscillating system | Joseph H. Goodbread, Klaus Häusler, Jurg Dual | 1998-11-17 |
| 4920787 | Viscometer | Jurg Dual, Joseph H. Goodbread | 1990-05-01 |