Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367306 | Compensating method and device for instrumental error in positive displacement type flowmeter | — | 2002-04-09 |
| 6048186 | Driving apparatus comprising modified gear shape elliptic gear wheels | — | 2000-04-11 |
| 5050094 | Compensating method and device for instrumental error in rotary displacement flowmeter | — | 1991-09-17 |