Granted Patent
Utility
US 4,960,307 · App. 07/307,682
Vertical storage unit for modular furniture
Inventor:
Randall P. Nelsen
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Feb 7, 1989
Inventor
Randall P. Nelsen
Assignee (at issue)
Steelcase 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.