Granted Patent
Utility
US 6,104,981 · App. 09/025,817
Method of assisting detection of man-made structures in a digital elevation map (DEM)
Inventors:
Christian Louis, Yves Lechervy
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Feb 19, 1998
Inventors
Christian Louis
Yves Lechervy
Assignee (at issue)
ALCATEL
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.