Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1086048 | Current inverter | Christof Wetzel | 2025-07-29 |
| D1086049 | Current inverter | Christof Wetzel | 2025-07-29 |
| D1037157 | Current inverter | Christof Wetzel | 2024-07-30 |
| D1037182 | Equipment for control of electric power | Frank Lampe, Christof Wetzel | 2024-07-30 |
| D798810 | Inverter | Christof Wetzel | 2017-10-03 |
| D798809 | Inverter | Christof Wetzel | 2017-10-03 |
| D756921 | Inverter | Christof Wetzel | 2016-05-24 |
| D739352 | Inverter | Christof Wetzel | 2015-09-22 |
| D727263 | Inverter | Christof Wetzel | 2015-04-21 |
| D706214 | Inverter | — | 2014-06-03 |
| 7672115 | Inverter | Matthias Victor, Andreas Donth, Johannes Häde, Joachim Laschinski | 2010-03-02 |
| D590617 | Perch for sitting | — | 2009-04-21 |
| D590616 | Perch for sitting | — | 2009-04-21 |
| 7121588 | Folder with a clamping device | — | 2006-10-17 |
| D518526 | Hanging file folder container | — | 2006-04-04 |
| D510950 | Writing instrument cap | Ryan S. Eddington | 2005-10-25 |
| D510600 | Letter file | — | 2005-10-11 |
| D477154 | Storage container | — | 2003-07-15 |
| D472689 | Rolling cart panel | — | 2003-04-01 |
| D401245 | Antenna base | Eckard Ruoff | 1998-11-17 |
| 5762224 | Environmental enclosure and method of sealing same | Peter McLean Henderson, Detlev A. Lohmuller, Paulmer M. Soderberg, Marc F. Moisson, Lowell I. Koht | 1998-06-09 |
| 5696351 | Cable retention and sealing device | Peter McLean Henderson, Detlev A. Lohmuller, Paulmer M. Soderberg, Marc F. Moisson, Lowell I. Koht | 1997-12-09 |
| D370691 | Clamping device for a file | — | 1996-06-11 |
| 5413430 | Clamping device and a clamping file equipped therewith | Kurt Schrem, Herbert Kratzert | 1995-05-09 |