Granted Patent
Utility
US 4,838,423 · App. 07/044,207
Container for thin glass plates
Inventors:
Irwin S. Lerner, Thomas J. Babbitt
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Apr 30, 1987
Inventors
Irwin S. Lerner
Thomas J. Babbitt
Assignee (at issue)
Manufacturers Hanover Trust Company
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.