Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663405 | Disconnect watthour meter socket adapter | Darrell Robinson | 2003-12-16 |
| 6520798 | Disconnect watthour meter socket adapter | Darrell Robinson | 2003-02-18 |
| 5577933 | Watthour meter mounting apparatus with safety shield | Darrell Robinson, Robert O. Learmont, Karl R. Loehr, Michael E. Lewis, Allen V. Pruehs | 1996-11-26 |
| 5571031 | Watthour meter mounting apparatus with improved electrical connections | Darrell Robinson, Robert O. Learmont, Karl R. Loehr, Michael E. Lewis, Allen V. Pruehs | 1996-11-05 |
| 5207595 | Watthour meter socket adapter with lockable terminal cover and sealing ring | Robert O. Learmont, Darrell Robinson, Albert K. Langdon, Allen V. Pruehs | 1993-05-04 |
| 5033973 | Service disconnect and meter storage adapter | Allen V. Pruehs, Darrell Robinson, Robert O. Learmont, Michael E. Lewis | 1991-07-23 |
| 4977482 | Watthour meter socket adapter with interface connection | Albert K. Langdon, Robert O. Learmont, Darrell Robinson, Michael E. Lewis, John Williams +2 more | 1990-12-11 |