Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911199 | Method for eliminating the need to zero and calibrate a power meter before use | Jon R. Sigler | 2011-03-22 |
| 7884596 | Self-balancing frequency determining bridge | Jon R. Sigler | 2011-02-08 |