Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902464 | Apparatus for depositing cathode material on a wire cathode | Nicolaas J. M. Van Leth, Godefridus Johannes Verhoeckx | 1999-05-11 |
| 5714051 | Method for depositing cathode material on a wire cathode | Nicolaas J. M. Van Leth, Godefridus Johannes Verhoeckx | 1998-02-03 |
| 5573173 | Vacuum tube comprising a ceramic element and a method of interconnecting a ceramic element and a conductive element | Ronald Van Der Wilk, Josephus J. van Moorsel | 1996-11-12 |
| 5479067 | Vacuum tube comprising a ceramic element and a method of interconnecting a ceramic element and a conductive element | Ronald Van Der Wilk, Josephus J. van Moorsel | 1995-12-26 |