Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848158 | Single-axis centrifugal rate sensor | Werner Egli | 1989-07-18 |
| 4450504 | Meter tampering indicator | — | 1984-05-22 |
| 4331036 | Fluid flowmeter | John A. Volk | 1982-05-25 |
| 4324028 | Method of fabricating a solar absorber panel | — | 1982-04-13 |
| 4290298 | System for in situ meter testing | — | 1981-09-22 |
| 4243019 | Light-weight-trough type solar concentrator shell | — | 1981-01-06 |