Granted Patent
Utility
US 5,228,729 · App. 07/815,179
Tube tab locking and coupling connector
Inventors:
Donald J. McElroy, Harry W. Zarvos
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Dec 31, 1991
Inventors
Donald J. McElroy
Harry W. Zarvos
Assignee (at issue)
Ford Motor Company
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.