Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394112 | Combination roller tooth set having roller teeth and concave surfaces disposed to engage each other | — | 1983-07-19 |
| 4368011 | Cylindrical tooth set having a concave socket and a cylindrical tooth engaging each other on the transverse line of eccentricity | — | 1983-01-11 |
| 4368012 | Fluid pressure assembly having a valve disk member with identical flat sides | — | 1983-01-11 |
| 4198194 | Rotary piston machine with wear surface on rotary valve member | — | 1980-04-15 |