Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878386 | Karman vortex sensor type flow rate measuring system | Hidehiro Oba | 1989-11-07 |
| 4819490 | Karman vortex sensor type flow rate measuring system | Hidehiro Oba | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878386 | Karman vortex sensor type flow rate measuring system | Hidehiro Oba | 1989-11-07 |
| 4819490 | Karman vortex sensor type flow rate measuring system | Hidehiro Oba | 1989-04-11 |