Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047416 | Fastening clip | Heinrich Heinrichs, Wolfgang Hesse | 2021-06-29 |
| 7425396 | Method for reducing an overlay error and measurement mark for carrying out the same | Detlef Hofmann, Rainer Pforr, Mario Hennig, Guido Thielscher, Hans-Georg Froehlich | 2008-09-16 |
| 7084962 | Method for detecting positioning errors of circuit patterns during the transfer by means of a mask into layers of a substrate of a semiconductor wafer | Lothar Bauch, Ansgar Teipel, Hans-Georg Froehlich | 2006-08-01 |
| 7018781 | Method for fabricating a contact hole plane in a memory module | Hans-Georg Fröhlich, Oliver Genz, Werner Graf, Matthias Handke, Percy Heger +6 more | 2006-03-28 |