Granted Patent
Utility
US 5,097,977 · App. 07/661,877
Closure assembly for container
Inventor:
Roy Straub
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Feb 27, 1991
Inventor
Roy Straub
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.