Granted Patent
Utility
US 4,923,729 · App. 07/270,828
Coated fire barriers for upholstered furnishings
Inventors:
Rick A. Porter, Hans R. Hoernle
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Nov 14, 1988
Inventors
Rick A. Porter
Hans R. Hoernle
Assignee (at issue)
Springs Industries, Inc.
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.