Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594175 | Apparatus and method for non-invasive diagnosis and control of motor operated valve condition | Richard H. Lyon, Jangbom Chai, Jeffrey H. Lang, Wayne H. Hagman, Stephen D. Umans | 1997-01-14 |
| 4807522 | Piston and attaching apparatus for piston-and-cylinder arrangements | Vesa Helske, Erkki Haapanen | 1989-02-28 |
| 4740100 | Attachment lug adapted to be fixed to an end of a cylindrical body, such as a power cylinder, and assembly | Vesa Helske, Erkki Haapanen | 1988-04-26 |