Granted Patent
Utility
US 5,580,186 · App. 08/520,283
System for conveying a fluid through an under-the-ground location and method of making the same
Inventors:
Joseph V. Tassone, Richard L. Marsh, James T. Candor
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Aug 28, 1995
Inventors
Joseph V. Tassone
Richard L. Marsh
James T. Candor
Assignee (at issue)
Dayco Products, 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.