Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453045 | Telecommunication device with piezo-electric transducer for handsfree and private operating modes | Robert A. Zurek, Thomas Gitzinger | 2002-09-17 |
| 6453155 | Shapeable communication device | Thomas Casey Hill | 2002-09-17 |
| 6363139 | Omnidirectional ultrasonic communication system | Robert A. Zurek, Aaron L. Dietrich | 2002-03-26 |