Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868463 | Method of operating a high-pressure discharge lamp | Jan Willem Frederik Dorleijn, Jan W. Denneman | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868463 | Method of operating a high-pressure discharge lamp | Jan Willem Frederik Dorleijn, Jan W. Denneman | 1989-09-19 |