Granted Patent
Utility
US 6,605,838 · App. 10/261,219
Process flow for thick isolation collar with reduced length
Inventors:
Jack A. Mandelman, Rama Divakaruni, Gerd Fehlauer, Stephan Kudelka, Uwe Schroeder, Helmut Tews
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Sep 30, 2002
Inventors
Jack A. Mandelman
Rama Divakaruni
Gerd Fehlauer
Stephan Kudelka
Uwe Schroeder
Helmut Tews
Assignees (at issue)
International Business Machines Corporation
Infineon Technologies North America Corp.
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.