Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224038 | Fish tape reel assembly | David L. Wiesemann, Timothy E. O'Connell, Stephen J. Skeels | 2001-05-01 |
| 6137285 | Electrical voltage tester | Thomas M. Luebke, David L. Wiesemann | 2000-10-24 |
| D431480 | Fish tape reel | David L. Wiesemann, Timothy E. O'Connell | 2000-10-03 |
| D416819 | Electrical instrument | Thomas M. Luebke, David L. Wiesemann | 1999-11-23 |
| 5938180 | Fish tape end assembly | — | 1999-08-17 |
| 5927141 | Conduit bender head | — | 1999-07-27 |
| D410658 | Conduit bender head | — | 1999-06-08 |
| D408749 | Fish tape assembly | — | 1999-04-27 |
| 5820249 | Apparatus and method for locating a fish tape | Joseph Kampschroer | 1998-10-13 |
| D396012 | Fish tape handle | — | 1998-07-14 |
| 5727419 | Tube bender handle | — | 1998-03-17 |
| 5688612 | Battery cover and vent cap interface seal | Edward N. Mrotek, Thomas J. Dougherty, Gerald A. Cummins | 1997-11-18 |