Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807470 | Circuit arrangement with a flow-measuring probe operated in a bridge circuit | — | 1989-02-28 |
JK
Josef Kleinhans
Overall (1989): #94,588 of 140,708Top 70%
1
Patents 1989