Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7127652 | X-tree test method and apparatus in a multiplexed digital system | Dayton Norrgard, John Siefers | 2006-10-24 |
| 6801863 | Method for detecting the connectivity of electrical conductors during automated test using longitudinal balance measurements | John Siefers, Kevin G. Chandler | 2004-10-05 |