Granted Patent
Utility
US 4,983,173 · App. 06/816,545
Surgical sponge
Inventors:
Donald Patience, Felipe S. Li
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Jan 6, 1986
Inventors
Donald Patience
Felipe S. Li
Assignee (at issue)
The Kendall Company LP
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.