Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10557869 | Clamp meter | Fang Li, Jinbo He | 2020-02-11 |
| 10114043 | Clamp meter | Fang Li, Jinbo He | 2018-10-30 |
| 8922231 | Method and apparatus for indexing an adjustable test probe tip | Roger M. Stark | 2014-12-30 |
| 8154316 | Method and apparatus for indexing an adjustable test probe tip | Roger M. Stark | 2012-04-10 |
| 7902848 | Reversible test probe and test probe tip | Larry Eccleston, John Renner, III, David Gibson | 2011-03-08 |
| D580805 | Electrical tester | Duncan Kearsley | 2008-11-18 |
| D562317 | Digital multimeter case | Edmond C. Eng | 2008-02-19 |
| D552846 | Holster for digital multimeter case | Edmond C. Eng | 2007-10-16 |
| D480558 | Instrument holster | John Ikeda | 2003-10-14 |