Granted Patent
Utility
US 4,241,835 · App. 05/704,697
Sorting apparatus
Inventor:
James F. Lockett
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Jul 12, 1976
Inventor
James F. Lockett
Assignee (at issue)
Geosource, Inc.
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.