Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8366263 | Ink jet printing method and apparatus for coloring an article of aluminium or aluminium alloys | Heinrich Mantel | 2013-02-05 |
| 6953166 | Device and method for treating excavated material | — | 2005-10-11 |
| 5374449 | Monolithic piezoelectric structural element for keyboards and method of manufacturing | Albert Buhlmann | 1994-12-20 |