Granted Patent
Utility
US 5,056,876 · App. 07/564,389
Drawer lock and interlock mechanism
Inventor:
Douglas Scheerhorn
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Aug 8, 1990
Inventor
Douglas Scheerhorn
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.