Granted Patent
Utility
US 5,341,681 · App. 07/125,840
Stepped gravity gradiometer
Inventors:
Marvin J. Molny, Melvin Feinberg
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Nov 27, 1987
Inventors
Marvin J. Molny
Melvin Feinberg
Assignee (at issue)
Unisys 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.