Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852121 | Coherent pseudonoise code tracking loop | John W. Zscheile, Jr. | 1989-07-25 |
| 4841552 | Digital phase shifter | — | 1989-06-20 |
| 4817113 | Range estimation using floating reference points | Alan E. Lundquist, Billie M. Spencer, John W. Zscheile, Jr. | 1989-03-28 |
| 4808939 | Variable rate rectangular matched filter | — | 1989-02-28 |