| 6683412 |
High pressure sodium lamp having reduced internal diameter |
Paul H. Ingalls, Elliot F. Wyner |
2004-01-27 |
| 6323588 |
Locking clip for a lamp base having first, second and third portions |
Donald W. Lilljedahl, Howard D. Taggart |
2001-11-27 |
| 6268696 |
Mercury and lead free high pressure sodium lamp |
John L. Plumb, Elliot F. Wyner |
2001-07-31 |
| 6007398 |
Method of making cathode assembly for high pressure sodium lamps |
Huiling Zhu, Paul H. Ingalls |
1999-12-28 |
| 5729089 |
Electrode assembly for high pressure sodium lamp and method of making same |
Huiling Zhu, Paul H. Ingalls |
1998-03-17 |
| 5381070 |
Lamp base locking clip |
Billy W. Tuttle, Huiling Zhu |
1995-01-10 |
| 5173632 |
High pressure sodium arc discharge lamp with weldless arc tube support member |
Paul A. Young, Edward P. Otto |
1992-12-22 |