Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5392653 | Pressure transducer magnetically-coupled interface complementing minimal diaphragm movement during operation | Frank Zanger, Donald E. Lehmer | 1995-02-28 |
| 5230614 | Reduced pulsation tapered ramp pump head | Frank Zanger, Susanne M. Roslon | 1993-07-27 |