Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315191 | Luminescent material with alkaline earth metal silicate aluminate host lattice and low-pressure mercury vapor discharge lamp containing the same | Willem L. Konijnendijk, Henricus L. M. Tonnaer | 1982-02-09 |