Granted Patent
Utility
US 5,598,934 · App. 08/292,868
Latching device for a push-back cart system
Inventors:
John V. R. Krummell, Kenneth Davison
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Aug 19, 1994
Inventors
John V. R. Krummell
Kenneth Davison
Assignee (at issue)
John V. R. Krummell, Jr.
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.