Granted Patent
Utility
US 5,939,178 · App. 08/797,514
Process for producing a multilayered elastic sheetlike structure; as well as a multilayered elastic sheetlike structure
Inventor:
Heinz-Horst Boich
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Feb 6, 1997
Inventor
Heinz-Horst Boich
Assignee (at issue)
Corovin GmbH
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.