Granted Patent
Utility
US 4,889,230 · App. 07/312,695
Package of strung medical sponges
Inventor:
Kathy W. Zachry
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Feb 17, 1989
Inventor
Kathy W. Zachry
Assignee (at issue)
DeRoyal Industries, 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.