Granted Patent
Utility
US 5,207,331 · App. 07/750,600
Automatic system and method for sorting and stacking reusable cartons
Inventors:
Daniel J. Teegarden, Andrew Gorman
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Aug 28, 1991
Inventors
Daniel J. Teegarden
Andrew Gorman
Assignee (at issue)
Westinghouse Electric Company LLC
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.