Granted Patent
Utility
US 4,487,388 · App. 06/488,516
Holder for facilitating loading of plastic bags
Inventor:
Alexander R. Provan
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Apr 25, 1983
Inventor
Alexander R. Provan
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.