Granted Patent
Utility
US 5,401,007 · App. 08/235,861
Wire spring assemblies made of nestably stackable half units
Inventors:
Upton R. Dabney, William C. Rodgers
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: May 2, 1994
Inventors
Upton R. Dabney
William C. Rodgers
Assignee (at issue)
Hoover Limited
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.