Granted Patent
Utility
US 4,407,526 · App. 06/222,346
Tab-type coupling and method
Inventor:
Christopher W. Cicenas
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jan 5, 1981
Inventor
Christopher W. Cicenas
Assignee (at issue)
Perfection Holdings 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.