Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508142 | Zero displacement low-shear valve | Stephen P. Kalenik | 1985-04-02 |
| 4321014 | Constant flow pumping apparatus | Stephen P. Kalenik | 1982-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508142 | Zero displacement low-shear valve | Stephen P. Kalenik | 1985-04-02 |
| 4321014 | Constant flow pumping apparatus | Stephen P. Kalenik | 1982-03-23 |