Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177849 | Non-saturating, flux cancelling diplex filter for power line communications | Mike McGinnis | 2001-01-23 |
| 4791639 | Communications switching system | Michael Afheldt, Lester Kirkland | 1988-12-13 |
| 4734933 | Telephone line status circuit | Douglas Oddy | 1988-03-29 |
| 4723280 | Constant current line circuit | Rolf Meier | 1988-02-02 |
| 4608686 | Two wire voice and data subscriber loop | — | 1986-08-26 |
| 4604741 | Voice and data interface circuit | — | 1986-08-05 |
| 4221935 | Control circuit for telephone subscriber station | Fahim U. Ahmed | 1980-09-09 |