Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799248 | X-ray tube having multiple cathode filaments | Salvatore Perno, James E. Burke | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799248 | X-ray tube having multiple cathode filaments | Salvatore Perno, James E. Burke | 1989-01-17 |