| 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 |