Granted Patent
Utility
US 4,148,421 · App. 05/884,915
Hanger
Inventor:
Herbert Levitt
Patented Case
View Patent ↗
Granted: Apr 10, 1979
Filed: Mar 9, 1978
Inventor
Herbert Levitt
Assignee (at issue)
Warnaco 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.