Granted Patent
Utility
US 4,344,539 · App. 05/903,050
Universal sorting apparatus
Inventor:
James F. Lockett
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: May 5, 1978
Inventor
James F. Lockett
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.