Granted Patent
Utility
US 5,996,639 · App. 08/790,423
Multiple compartment corrugated hose
Inventors:
Leo Gans, Ronald Presinzano
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jan 30, 1997
Inventors
Leo Gans
Ronald Presinzano
Assignee (at issue)
Action Technology 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.