Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10935537 | Soil moisture and electrical conductivity probe | Peter Ellegaard | 2021-03-02 |
| 10330660 | Wireless subterranean soil monitoring system | Peter Ellegaard | 2019-06-25 |
| 7333446 | Split-band, filter duplexer assembly, and associated method | — | 2008-02-19 |
| 7245888 | Phone energy management for low battery voltages | — | 2007-07-17 |
| 6347121 | Transmitting and receiving radio signals | — | 2002-02-12 |
| 6100847 | Antenna with a transmit frequency band pass filter coupled to a radiative element | — | 2000-08-08 |
| 6091780 | Transmitting and receiving radio signals | — | 2000-07-18 |
| 5867124 | Processing an encoded marker | — | 1999-02-02 |
| 5555450 | Radio phone and method of operating a radio phone | — | 1996-09-10 |
| 5519711 | Switch-mode power supply for time division multiple access radio phone systems | — | 1996-05-21 |
| 5349630 | Radio telephone system | — | 1994-09-20 |