Granted Patent
Utility
US 5,285,561 · App. 07/934,048
Hose coupling, ferrule therefor and methods of making the same
Inventors:
Timothy J. Manning, Jerome P. Hoffman
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Aug 21, 1992
Inventors
Timothy J. Manning
Jerome P. Hoffman
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.