Granted Patent
Utility
US 4,300,323 · App. 06/130,880
Foamed plastic panel connecting means
Inventors:
Robert M. Meechan, Gabriel V. Gallina
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Mar 17, 1980
Inventors
Robert M. Meechan
Gabriel V. Gallina
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.