Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7068763 | Communication terminal device | Roy McNeil | 2006-06-27 |
| 6976916 | Ergonomic hand-held electronic device with keypad input and display screen | Jonathan C. Burrell | 2005-12-20 |
| RE38699 | Hand-held navigational device | David Laverick, Jonathan C. Burrell | 2005-02-15 |
| 6506119 | Ergonomic hand-held electronic device with keypad input and display screen | Jonathan C. Burrell | 2003-01-14 |
| 6411502 | Portable electronic device for use in combination portable and fixed mount applications | — | 2002-06-25 |
| 6330149 | Global positioning device with alignment control of displayed information | — | 2001-12-11 |
| 5951399 | Ergonomic hand-held electronic device with keypad input and display screen | Jonathan C. Burrell | 1999-09-14 |
| 5910882 | Portable electronic device for use in combination portable and fixed mount applications | — | 1999-06-08 |
| 5812591 | Dual conversion GPS frequency converter and frequency plan for same | Paul K. Shumaker, David D. Casey | 1998-09-22 |
| 5680192 | Electro-optical display device with enlarged viewing area and single-sided driver connection | Jonathan C. Burrell | 1997-10-21 |
| D384661 | Portable handheld combination GPS and communication transceiver | Jonathan C. Burrell, Lawrence W. Beason, David Laverick | 1997-10-07 |
| 5665000 | Ergonomic hand-held electronic device with keypad input and display screen | Jonathan C. Burrell | 1997-09-09 |
| D365292 | Hand-held navigational device | David Laverick, Jonathan C. Burrell | 1995-12-19 |
| D365032 | Hand-held navigational device | David Laverick, Jonathan C. Burrell | 1995-12-12 |
| D354452 | Navigational device front panel | Clifton A. Pemble, Larry Beason, Sheldon T. Wheaton | 1995-01-17 |
| D354451 | Navigational device front panel | Clifton A. Pemble, Larry Beason, Sheldon T. Wheaton | 1995-01-17 |
| 5198831 | Personal positioning satellite navigator with printed quadrifilar helical antenna | Min H. Kao, Paul K. Shumaker | 1993-03-30 |
| D329988 | Personal navigator instrument | Min H. Kao | 1992-10-06 |
| 4834319 | Differentially coupled dual channel actuator | Robert J. Ewy | 1989-05-30 |