Granted Patent
Utility
US 4,278,045 · App. 06/006,953
Dispensing foamable material
Inventor:
Abu Supian Bin Ahmad
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Jan 25, 1979
Inventor
Abu Supian Bin Ahmad
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.