Granted Patent
Utility
US 4,470,558 · App. 06/388,840
Retractable clothesline device
Inventor:
James F. Stamper
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Jun 16, 1982
Inventor
James F. Stamper
Assignee (at issue)
Lear Siegler, 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.