Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884215 | Airflow sensor and control circuit | Darryl A. Hock, David L. Kaleita | 1989-11-28 |
| 4674115 | Programmable telephone switcher | David L. Kaleita, Darryl A. Hock | 1987-06-16 |