Granted Patent
Utility
US 4,287,701 · App. 06/063,405
Sack bag holder
Inventor:
Raymond J. Washington
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Aug 3, 1979
Inventor
Raymond J. Washington
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.