Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523579 | Spring contact assembly | Charles J. Johnston, Valts Treibergs, Sergey Yakushev, Mark A. Swart, Edward A. Kottmeyer | 2013-09-03 |
| 8231416 | Spring contact assembly | Charles J. Johnston, Valts Treibergs, Sergey Yakushev, Mark A. Swart, Edward A. Kottmeyer | 2012-07-31 |
| 7862391 | Spring contact assembly | Charles J. Johnston, Valts Treibergs, Sergey Yakushev, Mark A. Swart, Edward A. Kottmeyer | 2011-01-04 |
| 6462567 | Self-retained spring probe | Gordon A. Vinther, Charles J. Johnston, Brian L. Crisp | 2002-10-08 |
| 6396293 | Self-closing spring probe | Gordon A. Vinther, Charles J. Johnston | 2002-05-28 |