Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791489 | Radio tag for LFM radar | David L. Richardson, Andrzej Sobski, Scott Alan Stratmoen | 2004-09-14 |
| 6313620 | Detector system for identifying the frequency of a received signal useful in a channelized receiver | David L. Richardson | 2001-11-06 |
| 6157221 | Three input comparator | Daniel J. BLASE | 2000-12-05 |
| 6058374 | Inventorying method and system for monitoring items using tags | Warren Guthrie | 2000-05-02 |
| 5959584 | Vehicle communications system | Warren Guthrie, Roger Brunner Williams | 1999-09-28 |