Granted Patent
Utility
US 4,424,249 · App. 06/461,352
Sponge fabric
Inventor:
Vytautas R. Rupinskas
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Jan 27, 1983
Inventor
Vytautas R. Rupinskas
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.