Granted Patent
Utility
US 5,605,593 · App. 08/395,758
Multi-layered bonded closure system for foam tubes or profiles
Inventor:
Eduardo Lauer
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Feb 28, 1995
Inventor
Eduardo Lauer
Assignee (at issue)
NMC of North America
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.