Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844825 | Electric energy service apparatus with tamper detection | — | 2005-01-18 |
| 6384350 | Meter test switch | Thomas J. Archer | 2002-05-07 |
| 5590179 | Remote automatic meter reading apparatus | Jan K. Michalek, Norman C. Baldwin, Ebrahim B. Shahrodi, Darrell Robinson, Allen V. Pruehs +1 more | 1996-12-31 |
| 5423695 | Watthour meter socket adapter with tamper resistant ring | Darrell Robinson, Michael E. Lewis | 1995-06-13 |
| 5145403 | Safety cover for meter socket | Gary C. Schaffert, Thomas J. Archer, Timothy M. Chilton | 1992-09-08 |
| 5006076 | Bladed meter socket cover | Darrell Robinson | 1991-04-09 |
| 4977482 | Watthour meter socket adapter with interface connection | Albert K. Langdon, Robert O. Learmont, Darrell Robinson, Robert Goozen, Michael E. Lewis +2 more | 1990-12-11 |