Granted Patent
Utility
US 4,648,531 · App. 06/708,464
Dispenser for bag closures
Inventor:
Yong-Ki Won
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Mar 5, 1985
Inventor
Yong-Ki Won
Assignee (at issue)
Ben Clements & Sons, 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.