Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833920 | Differential pressure sensor | Thomas A. Knecht, Roger L. Frick | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833920 | Differential pressure sensor | Thomas A. Knecht, Roger L. Frick | 1989-05-30 |