Granted Patent
Utility
US 4,781,295 · App. 07/150,482
Container made from polystyrene foams containing polyethylene
Inventors:
Binnur Z. Gunesin, Viren P. Trivedi
Patented Case
View Patent ↗
Granted: Nov 1, 1988
Filed: Feb 10, 1988
Inventors
Binnur Z. Gunesin
Viren P. Trivedi
Assignee (at issue)
Mobil Oil Corporation
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.