Granted Patent
Utility
US 6,828,191 · App. 09/363,277
Trench capacitor with an insulation collar and method for producing a trench capacitor
Inventors:
Kai Wurster, Martin Schrems, Jurgen Faul, Klaus-Dieter Morhard, Alexandra Lamprecht, Odile Dequiedt
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Jul 28, 1999
Inventors
Kai Wurster
Martin Schrems
Jurgen Faul
Klaus-Dieter Morhard
Alexandra Lamprecht
Odile Dequiedt
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.