Granted Patent
Utility
US 4,793,639 · App. 07/188,015
Tube coupling mechanism
Inventors:
Alfred H. Glover, Joseph T. Betterton, Daniel F. Lawless, Anthony M. Michalovic
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Apr 29, 1988
Inventors
Alfred H. Glover
Joseph T. Betterton
Daniel F. Lawless
Anthony M. Michalovic
Assignee (at issue)
Chrysler Motors 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.