Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254684 | Powder-spraying appliance | Gunter Borner, Hans-Christoph Nienburg, Josef Wittmann | 2001-07-03 |
| 5969291 | Overhead-line mast with insulated mast head | Arnaldo Bertazzi, Johannes Kaumanns, Karl-Bernhard Muller, Gernot Schlayer, Andrea Catenacci | 1999-10-19 |
| 5839669 | Method and apparatus for powder spraying | Gunter Borner, Hans-Christoph Nienburg, Jorg Sopka, Wolfgang Kleber | 1998-11-24 |
| 4696531 | Plug-in type contact arrangement | Helmut Lobl, Steffen Grossmann | 1987-09-29 |