Granted Patent
Utility
US 5,058,650 · App. 07/674,139
Cord equalizer for window shade lift cords
Inventor:
John E. Morris
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Mar 25, 1991
Inventor
John E. Morris
Assignee (at issue)
Graber Industries, 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.