Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352967 | Non-contact electrical parameter measurement systems | Ronald Steuer, Peter Radda, Ricardo Rodriguez, David L. Epperson, Patrick Scott Hunter +4 more | 2019-07-16 |
| 10119998 | Variable capacitance non-contact AC voltage measurement system | Paul A. Ringsrud, Clark N. Huber | 2018-11-06 |
| 8339272 | Circuit breaker locator | — | 2012-12-25 |
| 8339275 | AC voltage phase discriminator for circuit breaker locators | — | 2012-12-25 |
| 8004286 | Voltage measurement instrument and method having improved automatic mode operation | — | 2011-08-23 |
| 7642788 | Voltage measurement instrument and method having improved automatic mode operation | — | 2010-01-05 |
| 6628113 | Surge current measurement | — | 2003-09-30 |
| 6466003 | Microamp measurement for two-terminal digital meter | William F. Rasnake | 2002-10-15 |
| 6201320 | Automatic power turn-on circuit for a battery-powered voltage measurement apparatus | — | 2001-03-13 |
| 5998985 | Voltage indicator using serial comparison voltage measurement | — | 1999-12-07 |
| 5920188 | Voltage measurement instrument having transient overvoltage input protection | Howard T. Voorheis, William J. Lauby, Monte R. Washburn | 1999-07-06 |