Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634463 | Switch over from the mains supply to a frequency converter by a phase correction process for an escalator drive | Stefan Spannhake, Gunter Blechschmidt, Peter Walden, Robert Oesterle, Michael Bernhard Kocur | 2003-10-21 |
| 6519589 | System and method for generating domain names and for facilitating registration and transfer of the same | Ronald Fitzherbert | 2003-02-11 |