Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683412 | High pressure sodium lamp having reduced internal diameter | Robert B. Dolan, Elliot F. Wyner | 2004-01-27 |
| 6007398 | Method of making cathode assembly for high pressure sodium lamps | Huiling Zhu, Robert B. Dolan | 1999-12-28 |
| 5938327 | Static mixer apparatus with rotational mixing | Charles O. Benskin | 1999-08-17 |
| 5729089 | Electrode assembly for high pressure sodium lamp and method of making same | Huiling Zhu, Robert B. Dolan | 1998-03-17 |
| 5592048 | Arc tube electrodeless high pressure sodium lamp | George C. Wei, Walter P. Lapatovich | 1997-01-07 |
| 4190790 | Isolator circuit for use with frequency sensitive switching circuit | John L. Plumb, Sheppard Cohen | 1980-02-26 |