Granted Patent
Utility
US 5,405,479 · App. 08/170,018
Automatic valve insertion method
Inventor:
Brent Anderson
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Dec 20, 1993
Inventor
Brent Anderson
Assignee (at issue)
CTI INDUSTRIES CORP.
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.