Granted Patent
Utility
US 5,312,004 · App. 07/876,658
Push-back retrofit system for a storage rack assembly
Inventors:
John V. R. Krummell, Kenneth Davison
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Apr 30, 1992
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.