Granted Patent
Utility
US 4,450,639 · App. 06/364,770
Hanger with size indicator panel
Inventor:
Everett L. Duester
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Apr 2, 1982
Inventor
Everett L. Duester
Assignee (at issue)
John Thomas Batts, 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.