Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812685 | Auto-selecting, auto-ranging contact/noncontact voltage and continuity tester | George R. Steber, Thomas M. Luebke | 2004-11-02 |
| 6731218 | Voltage sensing hand tool | Thomas M. Luebke, George R. Steber | 2004-05-04 |
| 6684439 | Coaxial cable termination tool | Dennis J. Jeske, Robert Kruse, Allen W. Montgomery | 2004-02-03 |
| 6674276 | Surface object locator with level indicator and scribe tip | Wayne D. MORGAN, Chris W. Martin, Thomas M. Luebke | 2004-01-06 |
| 6593754 | Compact subsurface object locator | George R. Steber, Thomas M. Luebke, Stephen J. Skeels | 2003-07-15 |
| 6525665 | Electrical circuit tracing device | Thomas M. Luebke, George R. Steber, Raymond H. Klein | 2003-02-25 |
| 6456060 | Multi-meter with locking clamp | — | 2002-09-24 |
| D462022 | Transmitter of an electrical circuit tracing device | Thomas M. Luebke, George R. Steber, Raymond H. Klein | 2002-08-27 |
| D461730 | Electrical testing device | Thomas M. Luebke, George R. Steber, Raymond H. Klein | 2002-08-20 |
| D461424 | Receiver of an electrical circuit tracing device | Thomas M. Luebke, George R. Steber, Raymond H. Klein | 2002-08-13 |
| 6224038 | Fish tape reel assembly | Dean R. Walsten, Timothy E. O'Connell, Stephen J. Skeels | 2001-05-01 |
| 6163144 | Electrical circuit tracing apparatus using modulated tracing signal | George R. Steber, Thomas M. Luebke | 2000-12-19 |
| 6137285 | Electrical voltage tester | Dean R. Walsten, Thomas M. Luebke | 2000-10-24 |
| D431480 | Fish tape reel | Dean R. Walsten, Timothy E. O'Connell | 2000-10-03 |
| D425803 | Electrical instrument | Thomas M. Luebke | 2000-05-30 |
| D416819 | Electrical instrument | Thomas M. Luebke, Dean R. Walsten | 1999-11-23 |
| D416503 | Electrical instrument probe | Thomas M. Luebke, George R. Steber | 1999-11-16 |
| D413824 | Electrical instrument housing | Thomas M. Luebke, George R. Steber | 1999-09-14 |
| 5877618 | Hand held non-contact voltage tester | Thomas M. Luebke | 1999-03-02 |
| D395408 | Post light sensor housing | — | 1998-06-23 |
| 5747937 | Two-level security lighting system | Daniel E. Schaaf, Wai-Shing Peter Ko | 1998-05-05 |
| 5598066 | Two-level security lighting system | Daniel E. Schaaf, Wai-Shing Peter Ko | 1997-01-28 |