Granted Patent
Utility
US 6,724,924 · App. 09/638,121
Brightness and contrast invariant detection of vertebra pedicles
Inventors:
Guo-Qing Wei, Jianzhong Qian, Helmuth Schramm
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Aug 14, 2000
Inventors
Guo-Qing Wei
Jianzhong Qian
Helmuth Schramm
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.