Granted Patent
Utility
US 5,139,058 · App. 07/700,105
Filling valve
Inventor:
Chung J. Yun
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: May 8, 1991
Inventor
Chung J. Yun
Assignee (at issue)
Crown, Cork & Seal Company, Inc.
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.