Granted Patent
Utility
US 5,762,467 · App. 08/639,216
Underground storage tank manipulator
Inventors:
Albert J. Sturm, Jr., Fred W. Hanson, Mark Benoit, Thomas E. Marrinan
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Apr 26, 1996
Inventors
Albert J. Sturm, Jr.
Fred W. Hanson
Mark Benoit
Thomas E. Marrinan
Assignee (at issue)
PAR SYSTEMS, LLC
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.