Granted Patent
Utility
US 5,207,490 · App. 07/746,322
Safety latch for the lid of a lift-top cabinet
Inventors:
Melvin Kaspar, David Robinson
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Aug 16, 1991
Inventors
Melvin Kaspar
David Robinson
Assignee (at issue)
Ardco, 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.