Granted Patent
Utility
US 5,486,398 · App. 08/127,644
Low flammability carpet floor covering
Inventors:
Manfred Weber, Gerhard Schwarz
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Sep 28, 1993
Inventors
Manfred Weber
Gerhard Schwarz
Assignee (at issue)
Hoechst 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.