Granted Patent
Utility
US 4,437,542 · App. 06/410,797
Acoustical wall panel and mounting system
Inventors:
Raymond W. Yeager, Mark R. Weitzman
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Aug 23, 1982
Inventors
Raymond W. Yeager
Mark R. Weitzman
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.