Granted Patent
Utility
US 4,407,429 · App. 06/370,648
Cap for and in combination with a container
Inventor:
Ihab M. Hekal
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Apr 21, 1982
Inventor
Ihab M. Hekal
Assignee (at issue)
Continental AG
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.