Granted Patent
Utility
US 5,900,833 · App. 08/901,470
Imaging radar suitable for material penetration
Inventors:
William M. Sunlin, Charles E. Heger
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jul 28, 1997
Inventors
William M. Sunlin
Charles E. Heger
Assignee (at issue)
Zircon Corporation
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.