Granted Patent
Utility
US 5,402,340 · App. 08/236,955
Gradiometer based terrain estimation
Inventors:
John White, Albert Jircitano
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: May 2, 1994
Inventors
John White
Albert Jircitano
Assignee (at issue)
Textron 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.