Granted Patent
Utility
US 4,339,834 · App. 06/131,935
Box spring assembly with interlocked formed wire components and method of assembling same
Inventor:
Ned W. Mizelle
Patented Case
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Granted: Jul 20, 1982
Filed: Mar 21, 1980
Inventor
Ned W. Mizelle
Assignee (at issue)
Hoover Universal, 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.