Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190466 | Non-sag tungsten wire | Jozsef Apagyi, Istvan Meszaros, Gyorgy Nagy, Robert J. Arena | 2001-02-20 |
| 5754005 | Electric lamps containing electrical leads of a molybdenum and tungsten alloy | George E. Sakoske, Wayne A. Lasch, Joseph M. Ranish, Thomas H. Yu, Bernard W. Rachel +4 more | 1998-05-19 |
| 5528105 | Copper-steel composite lead wire and use in incandescent filament electric lamps | Walter K. Brinn, Charles W. Cox, Stephan Rungwerth | 1996-06-18 |
| 4547704 | Higher efficiency incandescent lighting units | Walter K. Brinn, Ivan Berlec, John M. Davenport, Elmer G. Fridrich | 1985-10-15 |
| 4503488 | Multiple headlamp system | Thomas F. Soules | 1985-03-05 |