Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857810 | Current interruption operating circuit for a gaseous discharge lamp | John M. Davenport, Pieter J. von Herrmann | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857810 | Current interruption operating circuit for a gaseous discharge lamp | John M. Davenport, Pieter J. von Herrmann | 1989-08-15 |