Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029290 | Emergency alert system | Donald Parsons, John J. McGrath, Michael Dudek, Leo D. Parsons | 1991-07-02 |
| 5005197 | Method and apparatus as for testing a telephone line interface card | Gerald J. Parsons, John J. McGrath, Stephen W. Andrasko | 1991-04-02 |
| 4670897 | Circuit testing of telephone grids or the like | Donald Parsons, Gerald J. Parsons, Elizabeth A. Forsythe | 1987-06-02 |
| 4540857 | Circuit testing of telephone grids or the like | Donald Parsons, Gerald J. Parsons, Elizabeth A. Parsons | 1985-09-10 |