Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446340 | Discharge lamp having a lamp envelope with a textured sealed region and method of making same | Erwin G. Steinbrenner, Alexander L. Guba | 1995-08-29 |
| 5309058 | Seal construction arrangement for an electrodeless high intensity discharge lamp | Raymond A. Heindl, Lawrence T. Mazza, Gene I. Thomasson | 1994-05-03 |