Granted Patent
Utility
US 6,509,599 · App. 09/232,081
Trench capacitor with insulation collar and method for producing the trench capacitor
Inventors:
Kai Wurster, Martin Schrems, Jurgen Faul, Klaus-Dieter Morhard, Alexandra Lamprecht, Odile Dequiedt
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jan 15, 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.