Granted Patent
Utility
US 5,165,218 · App. 07/718,205
Automatic sorting, stacking and packaging apparatus and method
Inventor:
Bernard C. Callahan, Jr.
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Jun 20, 1991
Inventor
Bernard C. Callahan, Jr.
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.