Granted Patent
Utility
US 6,108,994 · App. 09/141,407
Ceiling panel
Inventor:
Darryl C. Bodine
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Aug 12, 1998
Inventor
Darryl C. Bodine
Assignee (at issue)
ARMSTRONG WORLD 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.