Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649559 | Supported metal membrane, a process for its preparation and use | Ernst Drost, Meike Roos, Stefan Wieland, Bernd Kempf | 2003-11-18 |
| 6165342 | Cyanide-free electroplating bath for the deposition of gold and gold alloys | Wolfgang Zilske | 2000-12-26 |
| 5620583 | Platinum plating bath | Wolfgang Zilske | 1997-04-15 |
| 5163607 | Multipack made from board | Rudolf Kraus | 1992-11-17 |
| 5117966 | Conveyor system | Karl-Wilhelm Stoltenhoff | 1992-06-02 |
| 5080224 | Pack made from board of a similar material | Walter Schragle, Walter Ramspott, Birgit Degeler | 1992-01-14 |
| 5006208 | Galvanic gold alloying bath | Wolfgang Zilske | 1991-04-09 |
| 4995504 | Device for straightening articles such as letters and similar flat transported articles | — | 1991-02-26 |
| 4904873 | Method of producing and guiding intensive, large-area ion, electron and x-ray beams | — | 1990-02-27 |
| 4659438 | Process for the treatment of stainless steel for a direct galvanic gold plating | Wolfgang Zilske | 1987-04-21 |
| 4634505 | Process and bath for the electrolytic deposition of gold-tin alloy coatings | Wolfgang Zilske | 1987-01-06 |
| 4617096 | Bath and process for the electrolytic deposition of gold-indium alloys | Wolfgang Zilske | 1986-10-14 |
| 4551763 | Diagonal sweep shutter mechanism for video tape camera | Steven L. Swinehart | 1985-11-05 |
| 4545659 | Device for continuously varying the shutter speed of a video tape camera | Steven L. Swinehart | 1985-10-08 |
| 4402802 | Electrolytic bath for the deposition of rhodium coatings | Erika Kreuter, Wolfgang Zilske | 1983-09-06 |
| 4391679 | Electrolytic bath and process for the deposition of gold alloy coatings | Wolfgang Zilske | 1983-07-05 |
| 4338760 | Carrier pack for a number of bottles as well as the process and apparatus needed to close the pack | — | 1982-07-13 |
| 4196398 | Regulation of a plurality of superconducting resonators | — | 1980-04-01 |