Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D717140 | Plumbing tool | Joseph P. Schutte | 2014-11-11 |
| 8465003 | Plumbing fixture made of bismuth brass alloy | Mahesh Cheerla | 2013-06-18 |
| 8211250 | Method of processing a bismuth brass article | Mahesh Cheerla | 2012-07-03 |
| 5944555 | Apparatus for grounding external metal watthour meter component | Darrell Robinson | 1999-08-31 |
| 5853300 | Watthour socket adapter with improved electrical connections | Darrell Robinson, Karl R. Loehr, Allen V. Pruehs, Keith C. Dropiewski | 1998-12-29 |
| 5704804 | Apparatus for grounding external metal watthour meter component | Darrell Robinson | 1998-01-06 |
| 5588874 | Watthour meter socket adapter for replacing an OB watthour meter | Allen V. Pruehs, Darrell Robinson | 1996-12-31 |
| 5590179 | Remote automatic meter reading apparatus | John T. Shincovich, Jan K. Michalek, Norman C. Baldwin, Ebrahim B. Shahrodi, Darrell Robinson +1 more | 1996-12-31 |
| 5586913 | S to B watthour meter socket adapter | Darrell Robinson, Karl R. Loehr, Allen V. Pruehs | 1996-12-24 |
| 5577933 | Watthour meter mounting apparatus with safety shield | Darrell Robinson, Karl R. Loehr, Robert Goozen, Michael E. Lewis, Allen V. Pruehs | 1996-11-26 |
| 5571031 | Watthour meter mounting apparatus with improved electrical connections | Darrell Robinson, Karl R. Loehr, Robert Goozen, Michael E. Lewis, Allen V. Pruehs | 1996-11-05 |
| 5207595 | Watthour meter socket adapter with lockable terminal cover and sealing ring | Darrell Robinson, Albert K. Langdon, Allen V. Pruehs, Robert Goozen | 1993-05-04 |
| 5033973 | Service disconnect and meter storage adapter | Allen V. Pruehs, Darrell Robinson, Robert Goozen, Michael E. Lewis | 1991-07-23 |
| 4977482 | Watthour meter socket adapter with interface connection | Albert K. Langdon, Darrell Robinson, Robert Goozen, Michael E. Lewis, John Williams +2 more | 1990-12-11 |