Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346261 | Speaker phones | Alfred M. Hestad | 1982-08-24 |
| 4314107 | Subscriber station networks | Alfred M. Hestad, Michael L. Tentler | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346261 | Speaker phones | Alfred M. Hestad | 1982-08-24 |
| 4314107 | Subscriber station networks | Alfred M. Hestad, Michael L. Tentler | 1982-02-02 |