Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929721 | Ceramic filter with integrated harmonic response suppression using orthogonally oriented low-pass filter | Robert J. Munn, David Robert Heine | 1999-07-27 |
| 5926079 | Ceramic waveguide filter with extracted pole | David Robert Heine, Raymond L. Sokola, Protap Pramanick | 1999-07-20 |
| 5864265 | Bandstop filter module with shunt zero | David Robert Heine, Glenn Rice | 1999-01-26 |
| 5731746 | Multi-frequency ceramic block filter with resonators in different planes | Raymond L. Sokola, Michael A. Newell, David Robert Heine, Keith Manssen | 1998-03-24 |
| 5422610 | Multi-filter device and method of making same | David Robert Heine | 1995-06-06 |