Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845360 | Counterflow leak detector with high and low sensitivity operating modes | — | 1989-07-04 |
| 4566861 | Method of and apparatus for operating a diffusion pump | — | 1986-01-28 |
| 4373868 | Diffusion pump for leak detector | — | 1983-02-15 |
| 4251713 | Electric heater assembly for diffusion pumps | — | 1981-02-17 |