Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890941 | Method of manufacturing a dispenser cathode | Theodorus H. Weekers, Albert Manenschijn, Franciscus M. M. Snijkers, Petrus A.M. Van Der Heide | 1999-04-06 |
| 5666022 | Dispenser cathode and method of manufacturing a dispenser cathode | Theodorus H. Weekers, Albert Manenschijn, Franciscus M. M. Snijkers, Petrus A.M. Van Der Heide | 1997-09-09 |
| 5518520 | Dispenser cathode and method of manufacturing a dispenser cathode | Jan Hasker, Robert H. Kane, Paul D. Goodell | 1996-05-21 |
| 5407633 | Method of manufacturing a dispenser cathode | Jan Hasker, Robert H. Kane, Paul D. Goodell | 1995-04-18 |