Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231314 | Calibration weight assembly for a gravimetric measuring device | Hans-Rudolf Burkhard, Andreas Metzger, George Fankhauser | 2022-01-25 |
| 10240968 | Differential measurement circuit, and balance with force compensation | Cyrill Bucher, Christoph Trautweiler | 2019-03-26 |
| 5157361 | Nonlinear transmission line | Michael E. Gruchalla | 1992-10-20 |
| 4797628 | Distributed push-pull amplifier | Michael E. Gruchalla | 1989-01-10 |
| 4591941 | Double insulated protected system providing electrical safety and instrumentation quality power grounding | Michael E. Gruchalla | 1986-05-27 |