Granted Patent
Utility
US 5,035,335 · App. 07/582,788
Stackable and nestible backs
Inventor:
Mohammad E. Massoudnia
Patented Case
View Patent ↗
Granted: Jul 30, 1991
Filed: Sep 13, 1990
Inventor
Mohammad E. Massoudnia
Assignee (at issue)
Gusdorf Corporation
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.