|
| US4097762 | 17 May 1977 | 27 Jun 1978 | International Telephone & Telegraph Corporation | Xenon arc discharge lamp having a particular electrode composition and wherein the arc discharge is obtained without heating the electrode |
| US4377505 | 29 Dec 1980 | 22 Mar 1983 | General Electric Company | Electrical resistor and fabrication thereof |
| US4636749 | 7 Aug 1985 | 13 Jan 1987 | Brunswick Corporation | Pulsed magnetron tube having improved electron emitter assembly |
| US4675570 | 11 Apr 1986 | 23 Jun 1987 | Varian Associates, Inc. | Tungsten-iridium impregnated cathode |
| US5173633 | 29 Jan 1991 | 22 Dec 1992 | Samsung Electron Devices Co., Ltd. | Dispenser cathode |
| US5417600 | 22 Jan 1993 | 23 May 1995 | Mitsubishi Denki Kabushiki Kaisha | Method of manufacturing an impregnation type cathode |
| US5418070 | 28 Apr 1988 | 23 May 1995 | Varian Associates, Inc. | Tri-layer impregnated cathode |
