Granted Patent
Utility
US 5,802,013 · App. 08/871,159
Mobile sensor for ground penetrating sonar
Inventor:
Ronald Lee Earp
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jun 9, 1997
Inventor
Ronald Lee Earp
Assignee (at issue)
LUCENT TECHNOLOGIES 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.