Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9648645 | WiFi hazardous area VoIP paging telephone and system | John V. Zukas, Jeff T. Reid, Jeffrey M. Weist, Roger W. Deihm | 2017-05-09 |
| 9351129 | WiFi hazardous area VoIP paging telephone and system | John V. Zukas, Jeff T. Reid, Jeffrey M. Weist, Roger W. Deihm | 2016-05-24 |