Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879533 | Surface mount filter with integral transmission line connection | John G. Stillmank, Duane C. Rabe | 1989-11-07 |
| 4829274 | Multiple resonator dielectric filter | Steven R. Green, Raymond L. Sokola | 1989-05-09 |