Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9049688 | Selective auto-accept of full duplex push to talk call | David R. Heeschen, Jean Khawand | 2015-06-02 | $8,950,000 |
| 6148203 | Method for registering a communication device for communication service | David Scott Seekins, Pablo Marcilla | 2000-11-14 | $23,892,000 |
| 6002948 | Method and apparatus for radio system with mode based subscriber communications | David R. Heeschen, Audrey Longhurst | 1999-12-14 | $23,351,000 |
| 5946620 | Method for subscriber registration in a radio communication system | Charles P. Schultz, Audrey Longhurst | 1999-08-31 | $15,455,000 |
| 5937351 | Method for establishing a wireless communications link in a reduced time | David Scott Seekins, David R. Heeschen | 1999-08-10 | $18,429,000 |