Granted Patent
Utility
US 5,832,588 · App. 08/935,947
Tube fitting and assembly method
Inventors:
Ralph G. Ridenour, Dennis W. Kerr
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Sep 23, 1997
Inventors
Ralph G. Ridenour
Dennis W. Kerr
Assignee (at issue)
Universal Enterprises, Inc.
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.