Granted Patent
Utility
US 6,609,021 · App. 10/151,661
Pulmonary nodule detection using cartwheel projection analysis
Inventors:
Li Fan, Jianzhong Qian, Guo-Qing Wei
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: May 20, 2002
Inventors
Li Fan
Jianzhong Qian
Guo-Qing Wei
Assignee (at issue)
Siemens Corporate Research, Inc.
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.