Granted Patent
Utility
US 4,562,934 · App. 06/699,211
Glass fiber reinforced resin tank with particular joint structure
Inventor:
George Hammond
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Feb 5, 1985
Inventor
George Hammond
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.