Granted Patent
Utility
US 5,072,863 · App. 07/496,937
Push-to-open non-resealable cap construction
Inventor:
Gene Stull
Patented Case
View Patent ↗
Granted: Dec 17, 1991
Filed: Mar 21, 1990
Inventor
Gene Stull
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.