Granted Patent
Utility
US 4,713,136 · App. 06/769,652
Method for making a sponge collecting device
Inventor:
Felipe S. Li
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Aug 27, 1985
Inventor
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.