Granted Patent
Utility
US 5,143,136 · App. 07/749,429
Clip assembly for vertical louvers
Inventor:
Julius F. John
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Aug 23, 1991
Inventor
Julius F. John
Assignee (at issue)
Home Fashions, 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.