Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847564 | Cold-cathode ionization vacuum meter with auxiliary ignition system for very low pressure operation | — | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847564 | Cold-cathode ionization vacuum meter with auxiliary ignition system for very low pressure operation | — | 1989-07-11 |